Schneider ATV900 Drives

Schneider ATV900 Drives Fault Codes:

Fault Code and MeaningCause and Remedy
NOA

[No Warning stored]
Cause: No warning stored.


Remedy:
None required.
FRF

[Fallback Frequency]
Cause: Reaction on event: Fallback frequency.


Remedy:
Check system fallback configuration.
RLS

[Speed Maintained]
Cause: Reaction on event: Speed maintained.


Remedy:
Check speed maintenance settings.
STT

[Type of stop]
Cause: Reaction on event: Stop following [Type of stop] STT without triggering an error.


Remedy:
Check stop type configuration.
SRA

[Ref Frequency Warning]
Cause: Frequency reference reached.


Remedy:
Monitor frequency reference values.
LCA1

[Life Cycle Warn 1]
Cause: Life cycle warning 1.


Remedy:
Check maintenance logs and counters.
LCA2

[Life Cycle Warn 2]
Cause: Life cycle warning 2.


Remedy:
Check maintenance logs and counters.
PCPA

[PumpCycle warning]
Cause: Pumpcycle monitoring warning.


Remedy:
Check pump cycle parameters.
PEE

[PID error Warning]
Cause: PID error warning.


Remedy:
Check PID configuration and limits.
PFA

[PID Feedback Warn]
Cause: PID feedback warning.


Remedy:
Check PID feedback signal.
PFAH

[PID High Fdbck Warn]
Cause: PID feedback high threshold reached.


Remedy:
Check PID high threshold settings.
PFAL

[PID Low Fdbck Warn]
Cause: PID feedback low threshold reached.


Remedy:
Check PID low threshold settings.
PISH

[Regulation Warning]
Cause: PID feedback monitoring warning.


Remedy:
Check PID regulation parameters.
LSA

[Limit Switch Reached]
Cause: Limit switch reached.


Remedy:
Check system limit switches.
RSDA

[Slack Rope Warning]
Cause: Slack rope warning.


Remedy:
Check rope tension.
DLDA

[Dynamic Load Warning]
Cause: Dynamic load warning.


Remedy:
Check load dynamics.
TP3A

[AI3 Th Warning]
Cause: AI3 Thermal warning.


Remedy:
Check AI3 thermal sensor and wiring.
TP4A

[AI4 Th Warning]
Cause: AI4 Thermal warning.


Remedy:
Check AI4 thermal sensor and wiring.
TP5A

[AI5 Th Warning]
Cause: AI5 Thermal warning.


Remedy:
Check AI5 thermal sensor and wiring.
AP1

[AI1 4-20 Warning]
Cause: AI1 4-20 mA loss warning.


Remedy:
Check analog input 1 connections.
AP3

[AI3 4-20 Warning]
Cause: AI3 4-20 mA loss warning.


Remedy:
Check analog input 3 connections.
AP4

[AI4 4-20 Warning]
Cause: AI4 4-20 mA loss warning.


Remedy:
Check analog input 4 connections.
AP5

[AI5 4-20 Warning]
Cause: AI5 4-20 mA loss warning.


Remedy:
Check analog input 5 connections.
THA

[Device Therm Warn]
Cause: Drive overheating warning.


Remedy:
Check drive ventilation and ambient temperature.
TJA

[IGBT Thermal Warning]
Cause: IGBT thermal state warning.


Remedy:
Reduce load or check cooling.
FCTA

[Fan Counter Warning]
Cause: Fan counter speed warning.


Remedy:
Check fan operation.
FFDA

[Fan Feedback Warning]
Cause: Fan feedback warning.


Remedy:
Check fan feedback signal.
BOA

[BR Thermal Warning]
Cause: Braking resistor thermal warning.


Remedy:
Check braking resistor sizing and cooling.
EFA

[Ext. Error Warning]
Cause: External error warning.


Remedy:
Check external device causing the error.
USA

[Undervoltage Warning]
Cause: Undervoltage warning.


Remedy:
Check mains supply voltage.
UPA

[Preventive UnderV Active]
Cause: Controlled stop threshold is reached.


Remedy:
Check power supply stability.
ERN

[Forced Run]
Cause: Drive in forced run.


Remedy:
Check forced run inputs/settings.
FTA

[Mot Freq High Thd]
Cause: Motor frequency high threshold 1 reached.


Remedy:
Check motor frequency settings.
FTAL

[Mot Freq Low Thd]
Cause: Motor frequency low threshold 1 reached.


Remedy:
Check motor frequency settings.
FQLA

[Pulse Warn Thd Reached]
Cause: Pulse warning threshold reached.


Remedy:
Check pulse settings.
F2AL

[Mot Freq Low Thd 2]
Cause: Motor frequency low threshold 2 reached.


Remedy:
Check motor frequency settings.
FLA

[High Speed Reached]
Cause: High speed reached warning.


Remedy:
Check motor speed.
RTAH

[Ref Freq High Thd reached]
Cause: Reference frequency high threshold reached.


Remedy:
Check reference frequency.
RTAL

[Ref Freq Low Thd reached]
Cause: Reference frequency low threshold reached.


Remedy:
Check reference frequency.
F2A

[2nd Freq Thd Reached]
Cause: Motor frequency high threshold 2 reached.


Remedy:
Check frequency thresholds.
CTA

[Current Thd Reached]
Cause: Motor current high threshold reached.


Remedy:
Check motor load and current limits.
CTAL

[Low Current Reached]
Cause: Motor current low threshold reached.


Remedy:
Check motor load and current limits.
TTHA

[High Torque Warning]
Cause: High torque threshold reached.


Remedy:
Check torque limits.
TTLA

[Low Torque Warning]
Cause: Low torque threshold reached.


Remedy:
Check torque limits.
ULA

[Process Undld Warning]
Cause: Process underload warning.


Remedy:
Check process for underload conditions.
OLA

[Process Overload Warning]
Cause: Overload warning.


Remedy:
Check process for overload conditions.
SSA

[Torque Limit Reached]
Cause: Torque limit reached.


Remedy:
Check mechanical load.
RTA

[Torque Control Warning]
Cause: Torque control warning.


Remedy:
Check torque control loop.
TAD

[Dev Thermal reached]
Cause: Drive thermal threshold reached.


Remedy:
Check drive cooling.
TSA

[Motor Therm Thd reached]
Cause: Motor thermal threshold reached.


Remedy:
Check motor temperature.
TS2

[Mot2 Therm Thd reached]
Cause: Motor 2 thermal threshold reached.


Remedy:
Check motor 2 temperature.
TS3

[Mot3 Therm Thd reached]
Cause: Motor 3 thermal threshold reached.


Remedy:
Check motor 3 temperature.
TS4

[Mot4 Therm Thd reached]
Cause: Motor 4 thermal threshold reached.


Remedy:
Check motor 4 temperature.
PTHA

[Power High Threshold]
Cause: Power high threshold reached.


Remedy:
Check load conditions.
PTHL

[Power Low Threshold]
Cause: Power low threshold reached.


Remedy:
Check load conditions.
CAS1

[Cust Warning 1]
Cause: Customer warning 1 active.


Remedy:
Check user-defined logic.
CAS2

[Cust Warning 2]
Cause: Customer warning 2 active.


Remedy:
Check user-defined logic.
CAS3

[Cust Warning 3]
Cause: Customer warning 3 active.


Remedy:
Check user-defined logic.
CAS4

[Cust Warning 4]
Cause: Customer warning 4 active.


Remedy:
Check user-defined logic.
CAS5

[Cust Warning 5]
Cause: Customer warning 5 active.


Remedy:
Check user-defined logic.
URA

[AFE Mains Undervoltage]
Cause: AFE mains undervoltage.


Remedy:
Check input power supply.
POWD

[Power Cons Warning]
Cause: Power consumption warning.


Remedy:
Check energy usage.
ANA

[Slipping warn]
Cause: Slipping warning.


Remedy:
Check mechanical system for slippage.
BSA

[Load Mvt Warn]
Cause: Load movement warning.


Remedy:
Check load stability.
BCA

[Brake Cont Warn]
Cause: Brake contact warning.


Remedy:
Check brake control wiring.
TP1A

[AI1 Th Warning]
Cause: AI1 Thermal warning.


Remedy:
Check AI1 thermal sensor.
BSC

[Backspin Active]
Cause: Backspin control function is active.


Remedy:
Check backspin parameters.
IWA

[MonitorCircuit A Warn]
Cause: Monitoring circuit A warning.


Remedy:
Check monitoring circuit.
IWB

[MonitorCircuit B Warn]
Cause: Monitoring circuit B warning.


Remedy:
Check monitoring circuit.
IWC

[MonitorCircuit C Warn]
Cause: Monitoring circuit C warning.


Remedy:
Check monitoring circuit.
IWD

[MonitorCircuit D Warn]
Cause: Monitoring circuit D warning.


Remedy:
Check monitoring circuit.
CWA

[CabinetCircuit A Warn]
Cause: Cabinet circuit A warning.


Remedy:
Check cabinet wiring.
CWB

[CabinetCircuit B Warn]
Cause: Cabinet circuit B warning.


Remedy:
Check cabinet wiring.
CWC

[CabinetCircuit C Warn]
Cause: Cabinet circuit C warning.


Remedy:
Check cabinet wiring.
TWA

[MotorWinding A Warn]
Cause: Motor winding A warning.


Remedy:
Check motor winding conditions.
TWB

[MotorWinding B Warn]
Cause: Motor winding B warning.


Remedy:
Check motor winding conditions.
TWC

[MotorBearing A Warn]
Cause: Motor bearing A warning.


Remedy:
Check motor bearing status.
TWD

[MotorBearing B Warn]
Cause: Motor bearing B warning.


Remedy:
Check motor bearing status.
CBW

[Circuit Breaker Warn]
Cause: Circuit breaker warning.


Remedy:
Check circuit breaker status.
P24C

[Cab I/O 24V Warn]
Cause: Cabinet I/O 24V missing warning.


Remedy:
Check 24V power supply.
CLIM

[AFE Motor Limitation]
Cause: AFE motor limitation.


Remedy:
Check AFE motor settings.
CLIG

[AFE Generator Limitation]
Cause: AFE regen limitation.


Remedy:
Check AFE regen settings.
THSA

[AFE Sensor thermal state]
Cause: AFE thermal state warning.


Remedy:
Check AFE sensor cooling.
THJA

[AFE IGBT thermal state]
Cause: AFE IGBT thermal warning.


Remedy:
Check AFE module cooling.
FFCA

[Cabinet Fan Fdbck Warn]
Cause: Cabinet fan feedback warning.


Remedy:
Check cabinet fan feedback.
FCCA

[Cabinet Fan Counter Warn]
Cause: Cabinet fan counter warning.


Remedy:
Check cabinet fan operation.
CHA

[Cabinet Overheat Warn]
Cause: Cabinet overheat warning.


Remedy:
Check cabinet ventilation.
CMIJ

[CMI Jumper Warn]
Cause: CMI jumper warning.


Remedy:
Check jumper settings.
FCBA

[AFE Fan Counter Warn]
Cause: AFE fan counter warning.


Remedy:
Check AFE fan operation.
FFBA

[AFE Fan Fdbck Warn]
Cause: AFE fan feedback warning.


Remedy:
Check AFE fan feedback signal.
MSDA

[M/S Device Warn]
Cause: Master/Slave device warning.


Remedy:
Check Master/Slave configuration.
FCBB

[BUO Fan Counter Warn]
Cause: BUO fan counter warning.


Remedy:
Check fan operation.
BSQA

[Backlash Warn]
Cause: Backlash warning.


Remedy:
Check backlash settings.
FFBB

[BUO Fan Fdbck Warn]
Cause: BUO fan feedback warning.


Remedy:
Check fan feedback signal.
THWB

[BUO Thermal State Warn]
Cause: BUO thermal state warning.


Remedy:
Check thermal conditions.
MDW

[AFE Bus Ref Warn]
Cause: AFE bus reference link warning.


Remedy:
Check communication link.
TPEA

[Encoder Thermal Warn]
Cause: Encoder module thermal warning.


Remedy:
Check encoder thermal status.
TS1A

[Temp Sens AI1 Warn]
Cause: Temperature sensor AI1 warning (open circuit).


Remedy:
Check sensor wiring and continuity.
TS3A

[Temp Sens AI3 Warn]
Cause: Temperature sensor AI3 warning (open circuit).


Remedy:
Check sensor wiring and continuity.
TS4A

[Temp Sens AI4 Warn]
Cause: Temperature sensor AI4 warning (open circuit).


Remedy:
Check sensor wiring and continuity.
TS5A

[Temp Sens AI5 Warn]
Cause: Temperature sensor AI5 warning (open circuit).


Remedy:
Check sensor wiring and continuity.
DCRW

[DC Bus Ripple Warn]
Cause: DC Bus Ripple Warning.


Remedy:
Check DC bus stability.
COPA

[Cooling Pump Warn]
Cause: Cooling pump warning resulting from the detection of an error during pump operation or resulting from [Pump Diagnostics] CPT–.


Remedy:
Check pump status.
MOA

[Module Overheat]
Cause: Module overheating warning resulting from the ambient temperature monitoring.


Remedy:
Check ambient temperature.
AFFL

[Fallback Channel]
Cause: Automatic fallback behavior activated after a fieldbus communication interruption.


Remedy:
Check fieldbus communication.
LKON

[ON Lock Warning]
Cause: ON lock warning resulting from an external device not ready.


Remedy:
Check external device status.
INFM

[Internal Error 22]
Cause: Internal error 22 (Embedded Ethernet).


Remedy:
Check Ethernet settings or restart drive.
RFTA

[Pwr Backup Warn]
Cause: Power backup mode warning.


Remedy:
Check backup power supply.
SLF1

[Modbus Com Inter.]
Cause: Modbus communication interruption warning.


Remedy:
Check Modbus cabling and settings.
ACF1
[AFE DC-Caps Error]
Cause: AFE DC-capacitors error: DC-capacitors overcurrent. Low mains voltage for too long. Mains voltage is on a low limit, the modulation rate of the AFE increases to help protect the DC link capacitors.



Remedy:

  • Verify mains voltage.

  • Verify parameter setting for mains voltage.
ACF2
[AFE Current Control Error]
Cause: Mains voltage interruption.



Remedy:

  • Verify mains voltage.

  • Reduce number of voltage drop-downs.
ACF3
[AFE Line Filter Error]
Cause: Mains voltage drops during generator operation.



Remedy:

  • Verify mains voltage.
AnF
[Load slipping]
Cause: Not following the ramp. The difference between the output frequency and the speed feedback is not correct.



Remedy:

  • Confirm the drive rating according to the application (motor, load, and so on).

  • Verify the motor, gain, and stability parameters.

  • Add a braking resistor.

  • Verify the mechanical coupling and wiring of the encoder.

  • If torque control is used: Set [Load slip detection] Sdd = [No]. Set deadbands to less than 10% of nominal motor frequency.
ASF
[Angle error]
Cause: Triggered during phase-shift angle measurement if the motor phase is disconnected or if the motor inductance is too high.



Remedy:

  • Verify the motor phases and the maximum current allowed by the drive.
bLF
[Brake Control]
Cause: Brake release current not reached. The torque set point is not reached. The fluxing current is not stable.



Remedy:

  • Verify the drive/motor connection.

  • Verify the motor windings.

  • Verify the [Brk Release Current] (Ibr) and [Brake release I Rev] (Ird) settings.
bOF
[Brake Resistor ovld]
Cause: The braking resistor is overloaded.



Remedy:

  • Wait for the braking resistor to cool down.

  • Verify the nominal power of the braking resistor.

  • Verify the [Braking Resistor Power] (brP) and [Braking Resistor Value] (brv) parameters.
brF
[Brake Feedback]
Cause: The status of the brake feedback contact or relay is not correct. The brake does not stop the motor quickly enough.



Remedy:

  • Verify the brake feedback circuit.

  • Verify the brake logic control circuit.

  • Verify the brake behavior.

  • Verify settings for [Brake Release Time], [Brake Engage Time], and Brake Feedback Filters.
bSqF
[Backlash Error]
Cause: The torque threshold used for backlash function can not be reached after [BL Monit Delay].



Remedy:

  • Verify the settings.

  • Verify the coupling.
bUF
[DB unit sh. circuit]
Cause: Short-circuit from braking unit. Braking unit not connected.



Remedy:

  • Verify the wiring of the braking unit.

  • Verify that the braking unit value is not too low.
bUFo
[DB unit op. circuit]
Cause: Open circuit from braking circuit and/or braking resistor.



Remedy:

  • Verify the wiring of the braking resistor and of the braking unit.

  • Verify by measurement that the resistance of the braking resistor is not too high.

  • Verify the parameter brI.
bUHF
[BUO Overheat error]
Cause: The cabinet thermal switch of the braking unit option is active, or digital inputs for cabinet temp are triggered.



Remedy:

  • Verify the braking unit option cabinet fan and its wiring.

  • Verify the temperature in the braking unit option enclosure is not too high.

  • Verify the setting of the thermo switch of the BUO (must be 60 °C).

  • Verify the BUO load, ventilation, and ambient temperature. Wait for cooling.
bUOC
[BUO Overcurrent error]
Cause: Parameters in the [Braking Resistor monit] menu are not correct. Braking load too high.



Remedy:

  • Verify the braking unit parameters.

  • Check the braking resistor.
CbF
[Circuit Breaker Error]
Cause: The DC bus voltage level is not correct compared to the circuit breaker logic control after the configured timeout.



Remedy:

  • Verify the circuit breaker logic control (pulse time for start and stop).

  • Verify the mechanical state of the circuit breaker.
CFA
[CabinetCircuit A Error]
Cause: The monitoring function has detected an error via digital input assigned to [CabinetCircuit A Assign].



Remedy:

  • Identify the cause of detection.

  • Verify the connected device (door switch, thermal switch, etc.) and its wiring.

  • Verify the [CabinetCircuit A Assign] parameter assignment.
CFb
[CabinetCircuit B Error]
Cause: The monitoring function has detected an error via digital input assigned to [CabinetCircuit B Assign].



Remedy:

  • Identify the cause of detection.

  • Verify the connected device (door switch, thermal switch, etc.) and its wiring.

  • Verify the [CabinetCircuit B Assign] parameter assignment.
CFC
[CabinetCircuit C Error]
Cause: The monitoring function has detected an error via digital input assigned to [CabinetCircuit C Assign].



Remedy:

  • Identify the cause of detection.

  • Verify the connected device (door switch, thermal switch, etc.) and its wiring.

  • Verify the [CabinetCircuit C Assign] parameter assignment.
CFF
[Incorrect Configuration]
Cause: Option module changed or removed. Control board replaced by a board configured on a drive with a different rating. Inconsistent configuration.



Remedy:

  • Verify that there is no detected error on the option module.

  • Return to factory settings or retrieve the backup configuration if it is valid.
CFI
[Invalid Configuration]
Cause: Invalid configuration. The configuration loaded in the drive via commissioning tool or fieldbus is inconsistent.



Remedy:

  • Verify the loaded configuration.

  • Load a valid configuration.
CFI2
[Conf Transfer Error]
Cause: The configuration transfer to the drive was not successful or interrupted. Incompatible configuration.



Remedy:

  • Verify the configuration loaded previously.

  • Load a compatible configuration.

  • Perform a factory setting.
CFI3
[Pre-settings Transfer Error]
Cause: The configuration transfer to the drive was not successful or interrupted.



Remedy:

  • Contact your local Schneider Electric representative.
CFI4
[Empty Configuration]
Cause: The selected configuration for the [Multimotors config] function has not been created previously.



Remedy:

  • Verify the configurations saved.

  • Switch to a compatible configuration.
CHF
[Cabinet Overheat Error]
Cause: The cabinet thermal switch is at active state, or digital inputs for cabinet temp are triggered.



Remedy:

  • Verify cabinet fan(s) and its wiring.

  • Verify the temperature in the enclosure is not too high.

  • Verify the setting of the thermoswitch (must be 60°C).
CnF
[Fieldbus Com Interrupt]
Cause: Communication interruption on fieldbus module.



Remedy:

  • Verify the environment (electromagnetic compatibility).

  • Verify the wiring.

  • Verify the timeout.

  • Replace the option module.
CoF
[CANopen Com Interrupt]
Cause: Communication interruption on the CANopen® fieldbus.



Remedy:

  • Verify the communication fieldbus.

  • Verify the timeout.

  • Refer to the CANopen® manual.
CoPF
[Cooling Pump Error]
Cause: Cooling pump is not working.



Remedy:

  • Contact your local Schneider Electric representative.
CrF1
[Precharge Capacitor]
Cause: Charging circuit control detected error or charging resistor damaged. Supply mains too low.



Remedy:

  • Turn off the drive and then turn on again.

  • Verify the setting of [DC Bus Source Type].

  • Verify the internal connections.

  • Verify voltage and parameters of [Undervoltage handling].
CrF3
[AFE contactor fdbk error]
Cause: AFE mains contactor feedback signal does not match with the internal AFE mains contactor command.



Remedy:

  • Verify the environment (EMC), cable routing, ground cabling, and shielding.

  • Verify the cables connecting the drive to the motor.

  • Verify which AFE brick detected an error.
CSF
[Channel Switch Error]
Cause: Switch to an invalid channel.



Remedy:

  • Verify the function parameters.
dLF
[Dynamic Load Error]
Cause: Load variation out of range.



Remedy:

  • Verify for a mechanical cause of load instability.
dCrE
[DC Bus Ripple Error]
Cause: Persistent ripple observed on the DC bus or DC bus capacitors damaged.



Remedy:

  • Turn off the drive and then turn on again.

  • Verify correct behavior of the input filter.

  • Verify the mains wirings.

  • Verify the internal connections.

  • Contact your local Schneider Electric representative.
ECF

Encoder Coupling
Cause:

The mechanical coupling of the encoder is broken.

The detection is active when [Encoder Coupling Monit] (ECC) parameter is set to [Yes].

It triggers the error when the speed feedback is 0 and the drive is in torque or current limitation.



Remedy:


  • Verify the mechanical coupling of the encoder.

  • Verify the setting of [Encoder Coupling Monit] (ECC).

  • Verify the setting of [Encoder check time] (ECt).
EEF1

EEPROM Control
Cause:

An error of the internal memory of the control block has been detected.



Remedy:


  • Verify the environment (electromagnetic compatibility).

  • Switch off the product.

  • Return to factory settings.

  • Contact your local Schneider Electric representative.
EEF2

EEPROM Power
Cause:

An error of the internal memory of the power board has been detected.



Remedy:


  • Verify the environment (electromagnetic compatibility).

  • Switch off the product.

  • Return to factory settings.

  • Contact your local Schneider Electric representative.
EnF

Encoder
Cause:

Encoder feedback error.

The difference between the measured and estimated speed is greater than 4% of [Nominal Motor Freq] (FrS) or [Sync Nominal Freq] (FrSS).



Remedy:


  • Verify the configuration parameters for the encoder used.

  • Verify the mechanical and electrical operation of the encoder.

  • Verify the consistency between the encoder signals and the direction of rotation of the motor.

  • If necessary, reverse the direction of rotation of the motor ([Output Ph rotation] PHr parameter).

  • Verify the encoder module.

  • Verify the encoder type and supply voltage.
EPF1

External Error
Cause:

Event triggered by an external device, depending on user.

An external error has been triggered via Embedded Ethernet.

The error is caused by an external circuit.

Ethernet configuration file is corrupted.



Remedy:


  • Remove the cause of the external error.

  • Perform a factory setting of the Ethernet configuration or modify the IP Mode.
EPF2

Fieldbus Error
Cause:

Event triggered by an external device, depending on user.



Remedy:


  • Remove the cause of the external error.
EtHF

Embd Eth Com Interrupt
Cause:

Communication interruption on the Ethernet IP ModbusTCP bus.



Remedy:


  • Verify the communication bus.

  • Refer to the Ethernet manual.
FCF1

Out Contact Closed Error
Cause:

The output contactor remains closed although the opening conditions have been met.



Remedy:


  • Verify the output contactor and its wiring.

  • Verify the contactor feedback wiring.
FCF2

Out Contact Opened Error
Cause:

The output contactor remains opened although the closing conditions have been met.



Remedy:


  • Verify the output contactor and its wiring.

  • Verify the contactor feedback wiring.
Fdr1

FDR 1 Error
Cause:

Embedded Ethernet FDR error.

Communication interruption between the drive and the PLC.

Configuration file incompatible, empty or invalid.

Drive rating not consistent with the configuration file.



Remedy:


  • Verify the drive and PLC connection.

  • Verify the communication workload.

  • Restart the transfer of configuration file from drive to PLC.
Fdr2

FDR 2 Error
Cause:

Ethernet fieldbus module FDR error.

Communication interruption between the drive and the PLC.

Configuration file incompatible, empty or corrupted.

Drive rating not consistent with the configuration file.



Remedy:


  • Verify the drive and PLC connection.

  • Verify the communication workload.

  • Restart the transfer of configuration file from drive to PLC.
FFdF

Fan Feedback Error
Cause:

Fan speed too low.

[Fan Feedback Warning] (FFdA) warning has been active for a time longer than 10 minutes.



Remedy:


  • Replace the fan.
FWEr

Firmware Update Error
Cause:

Firmware update function has detected an error.



Remedy:


  • Contact your local Schneider Electric representative.
HCF

Boards Compatibility
Cause:

Hardware configuration error.

The [Pairing password] (PPI) parameter has been enabled and an option module has been changed.



Remedy:


  • Refit the original option module.

  • Confirm the configuration by entering the [Pairing password] (PPI), if the module was changed deliberately.
idLF

Egy Saving Exit Error
Cause:

The drive is not turned on even though [Egy Saving Timeout] (idLt) has elapsed.



Remedy:


  • Verify the Supply Mains/contactor/drive wiring.

  • Verify the timeout.
IFA

MonitorCircuit A Error
Cause:

The digital input assigned to [MonitorCircuit A Assign] (IFAA) is active for longer than [MonitorCircuit A Delay] (IFdA).



Remedy:


  • Verify the connected device and its wiring.

  • Verify the [MonitorCircuit A Assign] parameter assignment.
IFb

MonitorCircuit B Error
Cause:

The digital input assigned to [MonitorCircuit B Assign] (IFAb) is active for longer than [MonitorCircuit B Delay] (IFdb).



Remedy:


  • Verify the connected device and its wiring.

  • Verify the [MonitorCircuit B Assign] parameter assignment.
IFC

MonitorCircuit C Error
Cause:

The digital input assigned to [MonitorCircuit C Assign] (IFAC) is active for longer than [MonitorCircuit C Delay] (IFdC).



Remedy:


  • Verify the connected device and its wiring.

  • Verify the [MonitorCircuit C Assign] parameter assignment.
IFd

MonitorCircuit D Error
Cause:

The digital input assigned to [MonitorCircuit D Assign] (IFAd) is active for longer than [MonitorCircuit D Delay] (IFdd).



Remedy:


  • Verify the connected device and its wiring.

  • Verify the [MonitorCircuit D Assign] parameter assignment.
iHF

Input Overheating
Cause:

The AFE brick temperature is too high.



Remedy:


  • Verify the drive ventilation and the ambient temperature. Wait for the drive to cool down before restarting.
ILF

Internal Link Error
Cause:

Communication interruption between option module and the drive.



Remedy:


  • Verify the environment (electromagnetic compatibility).

  • Verify the connections.

  • Replace the option module.

  • Contact your local Schneider Electric representative.
inF0

Internal Error 0
Cause:

Communication interruption between microprocessors of the control board.

The power board rating is not valid.



Remedy:


  • Contact your local Schneider Electric representative.

  • (Requires power reset).
inF1

Internal Error 1
Cause:

The power board rating is not valid.



Remedy:


  • Contact your local Schneider Electric representative.

  • (Requires power reset).
inF2

Internal Error 2
Cause:

The power board is incompatible with the control block software.



Remedy:


  • Contact your local Schneider Electric representative.

  • (Requires power reset).
inF3

Internal Error 3
Cause:

Internal communication detected error.



Remedy:


  • Verify the wiring on drive control terminals (internal 10V supply for analog inputs overloaded).

  • Contact your local Schneider Electric representative.
inF4

Internal Error 4
Cause:

Internal data inconsistent.



Remedy:


  • Contact your local Schneider Electric representative.

  • (Requires power reset).
inF6

Internal Error 6
Cause:

The option module installed in the drive is not recognized.

The removable control terminal modules (if existing) are not present or not recognized.

The embedded Ethernet adapter is not recognized.



Remedy:


  • Verify the catalog number and compatibility of the option module.

  • Plug the removable control terminal modules after the drive has been switched off.

  • Contact your local Schneider Electric representative.
inF7

Internal Error 7
Cause:

Communication interruption with CPLD component of Control board.



Remedy:


  • Contact your local Schneider Electric representative.

  • (Requires power reset).
inF8

Internal Error 8
Cause:

The internal power switching supply is not correct.



Remedy:


  • Contact your local Schneider Electric representative.

  • (Requires power reset).
inF9

Internal Error 9
Cause:

An error on the current circuit measurement has been detected.



Remedy:


  • Contact your local Schneider Electric representative.
inFA

Internal Error 10
Cause:

The input stage is not operating correctly.



Remedy:


  • Contact your local Schneider Electric representative.

  • (Requires power reset).
inFb

Internal Error 11
Cause:

The internal drive thermal sensor is not operating correctly.



Remedy:


  • Contact your local Schneider Electric representative.
inFC

Internal Error 12
Cause:

Internal current supply error.



Remedy:


  • Contact your local Schneider Electric representative.

  • (Requires power reset).
inFd

Internal Error 13
Cause:

Differential current deviation.



Remedy:


  • Verify connection of DigiLink cable (GG45).

  • Contact your local Schneider Electric representative.
inFE

Internal Error 14
Cause:

Internal microprocessor detected error.



Remedy:


  • Verify that the error code can be cleared.

  • Contact your local Schneider Electric representative.

  • (Requires power reset).
inFF

Internal Error 15
Cause:

Serial memory flash format error.



Remedy:


  • Contact your local Schneider Electric representative.

  • (Requires power reset).
InFG
[Internal Error 16]
Cause:

Communication interruption or internal error of output relays option module.



Remedy:


  • Verify that the option module is correctly connected to the slot.

  • Replace the option module.

  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFH
[Internal Error 17]
Cause:

Communication interruption with the Extension module of digital & analog I/O or internal error of the Extension module of digital & analog I/O.



Remedy:


  • Verify that the option module is correctly connected to the slot.

  • Replace the option module.

  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFi
[Internal Error 18]
Cause:

Safety Module Internal Error.

• Communication interruption with Safety function module.

• Internal error of the Safety function module.



Remedy:


  • Verify the Safety Module errors for additional information.

  • Verify that the option module is correctly inserted into the slot.

  • Replace the option module.

  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFJ
[Internal Error 19]
Cause:

An error on the encoder module has been detected.



Remedy:


  • Verify if the encoder option module is connected correctly to the slot.

  • Verify the compatibility of the encoder.

  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFk
[Internal Error 20]
Cause:

Option module interface board error.



Remedy:


  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFl
[Internal Error 21]
Cause:

Internal Real Time Clock error. It could be a communication error between the keypad and the drive or a clock oscillator start error.



Remedy:


  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFM
[Internal Error 22]
Cause:

An error on the embedded Ethernet adapter has been detected.



Remedy:


  • Verify the connection to the Ethernet port.

  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFN
[Internal Error 23]
Cause:

A communication interruption between the control block and AFE or BU bricks has been detected.



Remedy:


  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFP
[Internal Error 25]
Cause:

Incompatibility between Control Board hardware version and firmware version.



Remedy:


  • Update the firmware package.

  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFr
[Internal Error 27]
Cause:

Diagnostics in CPLD have detected an error.



Remedy:


  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFS
[Internal Error 28]
Cause:

An error on the AFE brick has been detected.



Remedy:


  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFt
[Internal Error 29]
Cause:

An error on the power unit / inverter brick has been detected.



Remedy:


  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFU
[Internal Error 30]
Cause:

An error on the rectifier brick has been detected or an [Input phase loss] PHF error has been triggered when the DC bus is charged.



Remedy:


  • Turn off the drive and then turn on again.

  • If [Input phase loss] PHF error code replaces [Internal Error 30], refer to the instructions of [Input phase loss] PHF.

  • Otherwise contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
InFV
[Internal Error 31]
Cause:

An error on the brick architecture has been detected (brick unavailable).



Remedy:


  • Contact your local Schneider Electric representative.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
InFw
[Internal Error 32]
Cause:

Firmware update function has detected an error.



Remedy:


  • Contact your local Schneider Electric representative.


Clearing: This detected error requires a power reset.
LCF
[Input Contactor]
Cause:

The drive is not switched on even though [Mains V. time out] LCt timeout has elapsed.



Remedy:


  • Verify the input contactor and its wiring.

  • Verify the [Mains V. time out] LCt timeout.

  • Verify the supply mains/contactor/drive wiring.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
LFF1
[AI1 4-20mA loss]
Cause:

Loss of the 4-20 mA on analog input AI1. This error is triggered when the measured current is below 2 mA.



Remedy:


  • Verify the connection on the analog inputs.

  • Verify the setting of [AI1 4-20mA loss] LFL1 parameter.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
LFF3
[AI3 4-20mA loss]
Cause:

Loss of the 4-20 mA on analog input AI3. This error is triggered when the measured current is below 2 mA.



Remedy:


  • Verify the connection on the analog inputs.

  • Verify the setting of [AI3 4-20mA loss] LFL3 parameter.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
LFF4
[AI4 4-20mA loss]
Cause:

Loss of the 4-20 mA on analog input AI4. This error is triggered when the measured current is below 2 mA.



Remedy:


  • Verify the connection on the analog inputs.

  • Verify the setting of [AI4 4-20mA loss] LFL4 parameter.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
LFF5
[AI5 4-20mA loss]
Cause:

Loss of the 4-20 mA on analog input AI5. This error is triggered when the measured current is below 2 mA.



Remedy:


  • Verify the connection on the analog inputs.

  • Verify the setting of [AI5 4-20mA loss] LFL5 parameter.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
LKon
[ON Lock Error]
Cause:

External device not ready.



Remedy:


  • Verify external device assigned to ON lock input.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
MdCF
[Load Mvt Error]
Cause:

Load movement for which no command has been given.



Remedy:


  • Verify the brake command circuit.

  • Verify the brake.


Clearing: This detected error requires a power reset.
MdF
[AFE Bus Ref Error]
Cause:

Communication interruption or disturbance of the DC bus reference link between the Supply Unit AFE and the drives during operation.

• If shared using PTI/PTO: error triggered if PTI signal < 10 kHz.

• If shared using Modbus Serial: error triggered if drive does not receive value within [Modbus Timeout].



Remedy:


  • If using PTI/PTO: Verify values of PTI/PTO signals, parameters, and wiring (max 4 drives, max 20mA/5mA consumption).

  • If using Modbus Serial: Verify the Modbus serial communication line.


Clearing: Can be cleared manually with [Fault Reset Assign].
MdLF
[MultiDrive Link Error]
Cause:

• The communication has been interrupted while running.

• The function has detected an inconsistency in the system configuration.



Remedy:


  • Check the communication network.

  • Check the configuration of the multi-drive link function.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
MFF
[Mains Freq Out Of Range]
Cause:

[Mains Frequency] FRC on the AFE brick is out of range.



Remedy:


  • Verify the mains frequency.


Clearing: Can be cleared manually with [Fault Reset Assign].
MOF
[Module Overheat]
Cause:

Cabinet temperature too high.

[Module Overheat] MOA warning has been active for a time longer than 10 minutes.



Remedy:


  • Verify the cooling of the cabinet.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
MSdF
[M/S Device Error]
Cause:

• For a master, one or more slaves are not present or not ready.

• For a slave, the master is not present.



Remedy:


  • Verify the drive status.

  • Verify the settings of the master/slave architecture.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
ObF
[DC Bus Overvoltage]
Cause:

• Deceleration time too short or driving load too high.

• Supply mains voltage too high.



Remedy:


  • Increase the deceleration time.

  • Configure the [Dec ramp adapt.] brA function if it is compatible with the application.

  • Verify the supply mains voltage.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
ObF2
[AFE Bus unbalancing]
Cause:

• AFE DC bus unbalancing.

• Supply mains voltage too high.

• Total generative power too high.



Remedy:


  • Verify the supply mains voltage.

  • Contact your local Schneider Electric representative.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
OCF
[Overcurrent]
Cause:

• Parameters in the [Motor data] nOA menu are not correct.

• Inertia or load too high.

• Mechanical locking.



Remedy:


  • Verify the motor parameters.

  • Verify the size of the motor/drive/load.

  • Verify the state of the mechanism.

  • Decrease [Current limitation] CL1.

  • Increase the switching frequency.


Clearing: This detected error requires a power reset.
OHF
[Drive Overheating]
Cause:

Drive temperature too high.



Remedy:


  • Verify the motor load, the drive ventilation, and the ambient temperature.

  • Wait for the drive to cool down before restarting.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
OLC
[Process Overload]
Cause:

Process overload.



Remedy:


  • Verify and remove the cause of the overload.

  • Verify the parameters of the [Process overload] oLd function.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
OLF
[Motor Overload]
Cause:

Triggered by excessive motor current.



Remedy:


  • Verify the setting of the motor thermal monitoring.

  • Verify the motor load. Wait for the motor to cool down before restarting.

  • Verify the setting of the following parameters: [Motor Th Current], [Motor Thermal Mode], [Motor Therm Thd], [MotorTemp ErrorResp].


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
OPF1
[Single Output Phase Loss]
Cause:

Loss of one phase at drive output.



Remedy:


  • Verify the wiring from the drive to the motor.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
OPF2
[Output Phase Loss]
Cause:

• Motor not connected or motor power too low.

• Output contactor opened.

• Instantaneous instability in the motor current.



Remedy:


  • Verify the wiring from the drive to the motor.

  • If an output contactor is being used, set [OutPhaseLoss Assign] OPL to [No Error Triggered] OAC.

  • If the drive is connected to a low-power motor, deactivate motor phase loss detection (Set OPL to YES or nO depending on function).

  • Verify and optimize parameters: [IR compensation], [Nom Motor Voltage], [Rated mot. current], and perform [Autotuning].


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
OSF
[Supply Mains Overvoltage]
Cause:

• Supply mains voltage too high.

• Disturbed supply mains.



Remedy:


  • Verify the supply mains voltage.


Clearing: Can be cleared with [Auto Fault Reset] or manually with [Fault Reset Assign].
P24C

Cab I/O 24V Error
Cause: The input DI58 is used to monitor the 24V on input terminal. If it breaks down, all inputs are suppressed to avoid unintended error messages.

  • DI58 cabinet I/O input is not wired to the internal terminal X231.

  • DI58 is used by another cabinet I/O function.




Remedy:

  • Verify if the terminal X231 is wired to the cabinet I/O input DI58.

  • If the DI58 is used by another cabinet function, it is needed to change the function to another free cabinet I/O input on the X220 terminals. Additionally, it is needed to adapt the parameter setting of the new selected input.
PCPF

PumpCycle Start Error
Cause: The Pumpcycle monitoring function has exceeded the maximum number of start sequences allowed in the time window.



Remedy:

  • Search for a possible cause of repetitive start of system.

  • Verify the settings of the monitoring function.
PFMF

PID Feedback Error
Cause: The PID feedback error was out of the allowed range around the set point during the time window.



Remedy:

  • Check for mechanical breakdown of pipes.

  • Check for water leakage.

  • Check for open discharge valve.

  • Check for fire hydrant opened.

  • Verify the settings of the monitoring function.
PGLF

Program Loading Error
Cause: Verify that the error code can be cleared.



Remedy:

  • Contact your local Schneider Electric representative.
PGrF

Program Running Error
Cause: Verify that the error code can be cleared.



Remedy:

  • Contact your local Schneider Electric representative.
PHF

Input phase loss
Cause:

  • Drive incorrectly supplied or a tripped fused.

  • One phase is unavailable.

  • 3-phase Drive used on a single-phase supply mains.

  • Unbalanced load.




Remedy:

  • Verify the power connection and the fuses.

  • Use a 3-phase supply mains.

  • Disable the detected error by [Input phase loss] IPL = [No] if single phase supply mains or DC bus supply is used.
rAdF

Rotation Angle Monit
Cause: The monitoring of the rotation angle has detected a too high deviation.



Remedy:

  • Check for mechanical problems in the system.

  • Verify the settings of the monitoring function.
SAFF

Safety Function Error
Cause:

  • Debounce time exceeded.

  • Internal hardware error.

  • STOA and STOB have a different status (high/low) for more than 1 second.




Remedy:

  • Verify the wiring of the digital inputs STOA and STOB.

  • Contact your local Schneider Electric representative.
SAVF

Safety Violation
Cause:

  • Safety Module Violation Error.

  • Safety Module has detected a violation of defined limits.




Remedy:

  • Verify the Safety Module errors for additional information.

  • Contact your local Schneider Electric representative.
SCF1

Motor short circuit
Cause: Short-circuit or grounding at the drive output.



Remedy:

  • Verify the cables connecting the drive to the motor, and the motor insulation.

  • Adjust the switching frequency.

  • Connect chokes in series with the motor.

  • Verify the adjustment of speed loop and brake.

  • Increase the [Time to restart] ttr.
SCF3

Ground Short Circuit
Cause: Significant ground leakage current at the drive output if several motors are connected in parallel.



Remedy:

  • Verify the cables connecting the drive to the motor, and the motor insulation.

  • Adjust the switching frequency.

  • Connect chokes in series with the motor.

  • If you have long cables, verify the setting of [Ground Fault Activation] GrFL.
SCF4

IGBT Short Circuit
Cause: Power component detected error. At product power-on, the IGBTs are tested for short circuit (between 1 and 10 µs).



Remedy:

  • Verify the setting of [Output Short Circuit Test] Strt parameter.

  • Contact your local Schneider Electric representative.
SCF5

Motor Short Circuit
Cause: Short-circuit at drive output.



Remedy:

  • Verify the cables connecting the drive to the motor, and the motor’s insulation.

  • Contact your local Schneider Electric representative.
SCF6

AFE ShortCircuit error
Cause: AFE rectifier IGBT short-circuit. AFE over current due to power factor correction systems in the grid (capacitor over voltage).



Remedy:

  • Verify the mains voltage when the power factor correction system is changing the capacitive load. Install only power factor correction systems with integrated reactors.

  • Verify the cables connecting the AFE brick to the mains.

  • Contact your local Schneider Electric representative.
SCFF

Safety Config Error
Cause:

  • Safety Module Configuration Error.

  • Incorrect configuration linked to the Safety Module has been detected.




Remedy:

  • Verify the Safety Module errors for additional information.

  • Contact your local Schneider Electric representative.
SIOF

Safety IO Error
Cause:

  • Safety Module IO Error.

  • Error on input / output of the Safety Module.

  • Error on encoder signal.




Remedy:

  • Verify the Safety Module errors for additional information.

  • Contact your local Schneider Electric representative.
SLF1

Modbus Com Interruption
Cause: Communication interruption on the Modbus port.



Remedy:

  • Verify the communication bus.

  • Verify the timeout.

  • Refer to the Modbus user manual.
SLF2

PC Com Interruption
Cause: Communication interruption with the commissioning software.



Remedy:

  • Verify the commissioning software connecting cable.

  • Verify the timeout.
SLF3

HMI Com Interruption
Cause: Communication interruption with the Graphic display terminal.



Remedy:

  • Verify the Graphic display terminal connection.

  • Verify the timeout.
SoF

Motor Overspeed
Cause:

  • Instability or driving load too high.

  • If a downstream contactor is used, the contacts between the motor and the drive have not been closed before applying a Run command.

  • The overspeed threshold (110% of [Max frequency] tFr) has been reached.




Remedy:

  • Verify the motor parameter settings.

  • Verify the size of the motor/drive/load.

  • Verify and close the contacts between the motor and the drive before applying a Run command.

  • Verify consistency between [Max frequency] tFr and [High Speed] HSP.
SPF

Encoder Feedback Loss
Cause: Triggered if measured speed is lower than 2% of Nominal, or difference between stator and measured speed > 20%, EMC perturbations, No input signal, Supply voltage missing, wire missing.



Remedy:

  • Verify the error code value [Encoder Fdbck Error] EnCE.

  • Verify the wiring between the encoder and the drive.

  • Verify the encoder and encoder settings.

  • Verify the wiring of the pulse input and the sensor used.

  • Use a shielded cable and ground both ends.

  • Verify the encoder power supply. Reduce [Encoder Supply Voltage] UECV value.

  • Check the supply voltage of the encoder.
SPFC

Security Files Corrupt
Cause: Security files corrupted or missing.



Remedy:

  • Switch off the product. At next switch-on, the security file will be created again, and the information related to cybersecurity (such as channel policy and password) are set back to the default value.
SrF

Torque timeout
Cause: The torque control function is not able to regulate the torque within the configured dead band. The drive has switched to speed control for longer than [Torque ctrl time out] rtO.



Remedy:

  • Verify the settings of the [Torque control] tOr – function.

  • Verify that there are no mechanical constraints.
SSF

Torque Limitation Error
Cause: The drive was in torque limitation or current limitation state during [Trq/I Limit Timeout] StO.



Remedy:

  • Verify the settings of the [Torque limitation] tOL – function.

  • Verify that there are no mechanical constraints.
StF

Motor Stall Error
Cause: The stall monitoring function has detected an error. Output freq < [Stall Frequency], Current > [Stall Current], Duration > [tall Max Time].



Remedy:

  • Search for a mechanical blocking of the motor.

  • Search for a possible cause of motor overload.

  • Verify the settings of the monitoring function.
t1CF

AI1 Thermal Sensor Error
Cause: The thermal monitoring function has detected an error of the thermal sensor connected to the analog input AI1: Open circuit or Short circuit.



Remedy:

  • Verify the sensor and its wiring.

  • Replace the sensor.
t3CF

[AI3 Thermal Sensor Error]
Cause:

The thermal monitoring function has detected an error of the thermal sensor connected to the analog input AI3:

  • Open circuit, or

  • Short circuit




Remedy:



  • Verify the sensor and its wiring.

  • Replace the sensor.

  • Verify the setting of [AI3 Type] AI3T parameter.
t4CF

[AI4 Thermal Sensor Error]
Cause:

The thermal monitoring function has detected an error of the thermal sensor connected to the analog input AI4:

  • Open circuit, or

  • Short circuit




Remedy:



  • Verify the sensor and its wiring.

  • Replace the sensor.

  • Verify the setting of [AI4 Type] AI4T parameter.
t5CF

[AI5 Thermal Sensor Error]
Cause:

The thermal monitoring function has detected an error of the thermal sensor connected to the analog input AI5:

  • Open circuit, or

  • Short circuit




Remedy:



  • Verify the sensor and its wiring.

  • Replace the sensor.

  • Verify the setting of [AI5 Type] AI5T parameter.
tECF

[Encoder Th Sensor Error]
Cause:

The thermal sensor monitoring function has detected a thermal sensor on the encoder module analog input:

  • Open circuit, or

  • Short circuit




Remedy:



  • Verify the sensor and its wiring.

  • Replace the sensor.
tFA

[MotorWinding A Error]
Cause:

The digital input assigned to [MotorWinding A Assign] tFAA is active for longer than [MotorWinding A Delay] tFdA.



Remedy:



  • Verify the connected device (motor winding thermal switch) and its wiring.

  • Verify the motor load and the ambient temperature. Wait for the motor to cool down before restarting.
tFb

[MotorWinding B Error]
Cause:

The digital input assigned to [MotorWinding B Assign] tFAb is active for longer than [MotorWinding B Delay] tFdb.



Remedy:



  • Verify the connected device (motor winding thermal switch) and its wiring.

  • Verify the motor load and the ambient temperature. Wait for the motor to cool down before restarting.
tFC

[MotorBearing A Error]
Cause:

The digital input assigned to [MotorBearing A Assign] tFAC is active for longer than [MotorBearing A Delay] tFdC.



Remedy:



  • Verify the connected device (motor winding thermal switch) and its wiring.

  • Verify the motor load and the ambient temperature. Wait for the motor to cool down before restarting.
tFd

[MotorBearing B Error]
Cause:

The digital input assigned to [MotorBearing B Assign] tFAd is active for longer than [MotorBearing B Delay] tFdd.



Remedy:



  • Verify the connected device (motor winding thermal switch) and its wiring.

  • Verify the motor load and the ambient temperature. Wait for the motor to cool down before restarting.
tH1F

[AI1 Th Level Error]
Cause:

The thermal sensor monitoring function has detected a high temperature on analog input AI1.



Remedy:



  • Search for a possible cause of overheating.

  • Verify the settings of the monitoring function.
tH3F

[AI3 Th Level Error]
Cause:

The thermal sensor monitoring function has detected a high temperature on analog input AI3.



Remedy:



  • Search for a possible cause of overheating.

  • Verify the settings of the monitoring function.
tH4F

[AI4 Th Level Error]
Cause:

The thermal sensor monitoring function has detected a high temperature on analog input AI4.



Remedy:



  • Search for a possible cause of overheating.

  • Verify the settings of the monitoring function.
tH5F

[AI5 Th Level Error]
Cause:

The thermal sensor monitoring function has detected a high temperature on analog input AI5.



Remedy:



  • Search for a possible cause of overheating.

  • Verify the settings of the monitoring function.
tHEF

[Encoder Th Detected Error]
Cause:

The thermal sensor monitoring function has detected a high temperature on encoder module analog input.



Remedy:



  • Search for a possible cause of overheating.

  • Verify the settings of the monitoring function.
tJF

[IGBT Overheating]
Cause:

Drive power stage overheating.



Remedy:



  • Verify the size of the load/motor/drive according to environment conditions.

  • Reduce the switching frequency.

  • Increase the ramp time.

  • Decrease the current limitation.
tJF2

[AFE IGBT over-heat error]
Cause:

Rectifier IGBT power stage overheating.



Remedy:



  • Verify the size of the load/motor/drive according to environment conditions.

  • Verify and clean, if necessary, the cooling channel.

  • Clean or replace the filter mats on IP54 products.
tLoF

[Drive Overload]
Cause:

The [Drive overload monit] obr – function has detected an error.



Remedy:



  • Verify the size of the load/motor/drive according to environment conditions.

  • Verify the settings of the [Drive Overload Monit] tLoL parameter.
tnF

[Autotuning Error]
Cause:


  • Special motor or motor whose power is not suitable for the drive.

  • Motor not connected to the drive.

  • Motor not stopped.




Remedy:



  • Verify that the motor/drive are compatible.

  • Verify that the motor is connected to the drive during autotuning.

  • If an output contactor is being used, verify that it is closed during autotuning.

  • Verify that the motor is present and stopped during autotuning.

  • In case of reluctance motor, reduce [PSI Align Curr Max] MCr.
ULF

[Process Underload]
Cause:

Process underload.



Remedy:



  • Verify and remove the cause of the underload.

  • Verify the parameters of the [Process underload] uLd – function.
UrF

[AFE Mains Undervoltage]
Cause:


  • Too low DC-Bus voltage due to mains undervoltage.

  • AFE overload.




Remedy:



  • Verify mains voltage.

  • Verify the size of the load/motor/drive according to environment conditions.
USF

[Supply Mains UnderV]
Cause:


  • Supply mains too low.

  • Transient voltage dips.




Remedy:



  • Verify the voltage and the parameters of [Undervoltage handling] uSb.