Schneider ATV320 Solar Drives

Schneider ATV320 Solar Drives Fault Codes:

Fault Code and MeaningCause and Remedy
AnF
Load slipping error
Cause: The difference between the output frequency and the speed feedback is not correct.



Remedy:

  • Check the motor, gain and stability parameters.

  • Add a braking resistor.

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

  • Check the encoder’s mechanical coupling and its wiring.

  • Check the setting of parameters.
AsF
Angle error
Cause: It occurs during the phase-shift angle measurement, if the motor phase is disconnected or if the motor inductance is too high.



Remedy:

  • Check the motor phases and the maximum current allowed by the drive.
blF
Brake control error
Cause: Brake release current not reached, or Brake engage frequency threshold [Brake engage freq] bEn only regulated when brake logic control is assigned.



Remedy:

  • Check the drive/motor connection.

  • Check the motor windings.

  • Check the [Brk Release Current] Ibr and [Brake release I Rev] Ird settings.

  • Apply the recommended settings for [Brake engage freq] bEn.
brF
Brake feedback error
Cause: The brake feedback contact does not match the brake logic control, or the brake does not stop the motor quickly enough.



Remedy:

  • Check the feedback circuit and the brake logic control circuit.

  • Check the mechanical state of the brake.

  • Check the brake linings.
CFF
Incorrect configuration error
Cause: Option module changed or removed, or Control block replaced by a control block configured on a drive with a different rating, or the current configuration is inconsistent.



Remedy:

  • Check that there are no detected module errors.

  • In the event of the option module being changed/removed deliberately, see the remarks below.

  • Return to factory settings or retrieve the backup configuration, if it is valid.
CFI
Invalid configuration error
Cause: Invalid configuration. The configuration loaded in the drive via the bus or communication network is inconsistent.



Remedy:

  • Check the configuration loaded previously.

  • Load a compatible configuration.
CFI2
Configuration transfer error
Cause: Invalid configuration. The configuration loaded in the drive via the bus or communication network is inconsistent.



Remedy:

  • Check the configuration loaded previously.

  • Load a compatible configuration.
CnF
Fieldbus module communication interruption error
Cause: Communication interruption on communication module.



Remedy:

  • Check the environment (electromagnetic compatibility).

  • Check the wiring.

  • Check the time-out.

  • Replace the option module.

  • Contact Schneider Electric Product Support.
CoF
CANopen communication interruption error
Cause: Communication interruption on the CANopen® bus.



Remedy:

  • Check the communication bus.

  • Check the time-out.

  • Refer to the CANopen® User manual.
CrF1
Precharge capacitor error
Cause: Charging relay control detected error or charging resistor damaged.



Remedy:

  • Turn the drive off and then turn on again.

  • Check the internal connections.

  • Contact Schneider Electric Product Support.
CSF
Channel switching detected error
Cause: Switch to not valid channels.



Remedy:

  • Check the function parameters.
dlF
Dynamic load detected error
Cause: Abnormal load variation.



Remedy:

  • Check that the load is not blocked by an obstacle.

  • Removal of a run command causes a reset.
EEF1
EEprom control error
Cause: Internal memory detected error, control block.



Remedy:

  • Check the environment (electromagnetic compatibility).

  • Turn off, reset, return to factory settings.

  • Contact Schneider Electric Product Support.
EEF2
EEprom power error
Cause: Internal memory detected error, power board.



Remedy:

  • Check the environment (electromagnetic compatibility).

  • Turn off, reset, return to factory settings.

  • Contact Schneider Electric Product Support.
EPF1
External error
Cause: Event triggered by an external device, depending on user.



Remedy:

  • Check the device which caused the triggering and reset.
EPF2
Fieldbus external detected error
Cause: Event triggered by a communication network.



Remedy:

  • Check for the cause of the triggering and reset.
fbE
Function block error
Cause: Function block detected error.



Remedy:

  • See [FB Error] fbFt for more details.
fbES
Function block stop error
Cause: Function blocks have been stopped while motor was running.



Remedy:

  • Check [FB Motor Stop Type] fbSn configuration.
FCF1
Output contactor closed error
Cause: The output contactor remains closed although the opening conditions have been met.



Remedy:

  • Check the contactor and its wiring.

  • Check the feedback circuit.
FCF2
Output contactor opened error
Cause: The output contactor remains open although the closing conditions have been met.



Remedy:

  • Check the contactor and its wiring.

  • Check the feedback circuit.
HCF
Boards compatibility error
Cause: The [Boards pairing] PPI- function has been configured and a drive card has been changed.



Remedy:

  • In the event of a card error, reinsert the original card.

  • Confirm the configuration by entering the [Pairing password] PPI, if the card was changed deliberately.
HdF
IGBT desaturation error
Cause: Short-circuit or grounding at the drive.



Remedy:

  • Check the cables connecting the drive to the motor, and the motor insulation.
ILF
Internal link error
Cause: Communication interruption between option module and drive.



Remedy:

  • Check the environment (electromagnetic compatibility).

  • Check the connections.

  • Replace the option module.

  • Contact Schneider Electric Product Support.
InF1
Internal error 1 (Rating)
Cause: The power board is different from the board stored.



Remedy:

  • Check the reference of the power board.
InF2
Internal error 2 (Soft)
Cause: The power board is incompatible with the control block.



Remedy:

  • Check the reference of the power board and its compatibility.
InF3
Internal error 3 (Intern Comm)
Cause: Communication interruption between the internal cards.



Remedy:

  • Check the internal connections.

  • Contact Schneider Electric Product Support.
InF4
Internal error 4 (Manufacturing)
Cause: Internal data inconsistent.



Remedy:

  • Re-calibrate the drive (performed by Schneider Electric Product Support).
InF6
Internal error 6 (Option)
Cause: The option installed in the drive is not recognized.



Remedy:

  • Check the reference and compatibility of the option.

  • Check that the option is well inserted into the ATV320.
InF9
Internal error 9 (Measure)
Cause: The current measurements are incorrect.



Remedy:

  • Replace the current sensors or the power board.

  • Contact Schneider Electric Product Support.
InFA
Internal error 10 (Mains)
Cause: The input stage is not operating correctly.



Remedy:

  • Contact Schneider Electric Product Support.
InFb
Internal error 11 (Temperature)
Cause: The drive temperature sensor is not operating correctly.



Remedy:

  • Replace the drive temperature sensor.

  • Contact Schneider Electric Product Support.
InFE
Internal error 14 (CPU) error
Cause: Internal microprocessor detected error.



Remedy:

  • Turn off and reset.

  • Contact Schneider Electric Product Support.
LCF
Input contactor error
Cause: The drive is not turned on even though [Mains V. time out] LCt has elapsed.



Remedy:

  • Check the contactor and its wiring.

  • Check the time-out.

  • Check the supply mains /contactor /drive connection.
LFF3

AI3 4-20mA loss error
Cause:

Loss of the 4-20 mA reference on analog input AI3.



Remedy:

Check the connection on the analog inputs.
OBF

DC bus overvoltage error
Cause:


  • Braking too sudden or driving load.

  • Supply voltage too high.




Remedy:


  • Increase the deceleration time.

  • Install a braking resistor if necessary.

  • Activate the [Dec.Ramp Adapt] BRA function, if it is compatible with the application.

  • Check the supply voltage.
OCF

Overcurrent error
Cause:


  • Parameters in the [Settings] SET- and [Motor control] DRC- menus are not correct.

  • Inertia or load too high.

  • Mechanical locking.




Remedy:


  • Check the parameters.

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

  • Check the state of the mechanism.

  • Decrease [Current Limitation] CLI.

  • Increase the switching frequency.
OHF

Drive overheating error
Cause:

Drive temperature too high.



Remedy:

Check the motor load, the drive ventilation and the ambient temperature. Wait for the drive to cool down before restarting.
OLC

Process overload error
Cause:

Process overload.



Remedy:


  • Check and remove the cause of the overload.

  • Check the parameters of the [Process overload] OLD- function.
OLF

Motor overload error
Cause:

Triggered by excessive motor current.



Remedy:

Check the setting of the motor thermal protection, check the motor load. Wait for the motor to cool down before restarting.
OPF1

Single output phase loss error
Cause:

Loss of one phase at drive output.



Remedy:

Check the connections from the drive to the motor.
OPF2

Output phase loss error
Cause:


  • Motor not connected or motor power too low.

  • Output contactor open.

  • Instantaneous instability in the motor current.




Remedy:


  • Check the connections from the drive to the motor.

  • If an output contactor is being used, set [Output phase loss] OPL to [No Error Triggered] OAC.

  • Test on a low power motor or without a motor: In factory settings mode, motor phase loss detection is active. To check the drive in a test environment, deactivate motor phase loss detection.

  • Check and optimize the parameters: [IR compensation] UFR, [Nom Motor Voltage] UNS and [Nom Motor Current] NCR and perform [Autotuning] TUN.
OSF

Supply mains overvoltage error
Cause:


  • Supply voltage too high.

  • Disturbed mains supply.




Remedy:

Check the supply voltage.
OTFL

DI6=PTC overheat error
Cause:

Overheating of PTC probes detected on input DI6.



Remedy:


  • Check the motor load and motor size.

  • Check the motor ventilation.

  • Wait for the motor to cool before restarting.

  • Check the type and state of the PTC probes.
PHF

Input phase loss error
Cause:


  • Drive incorrectly supplied or a fuse blown.

  • One phase missing.

  • 3-phase ATV320 used on a single-phase supply mains.

  • Unbalanced load.




Remedy:


  • Check the power connection and the fuses.

  • Use a 3-phase supply mains.

  • Disable the detected error by [InPhaseLoss Assign] IPL = [No].
PEFL

DI6=PTC probe error
Cause:

PTC probe on input DI6 open or short-circuited.



Remedy:

Check the PTC probe and the wiring between it and the motor/drive.
SAFF

Safety function detected error
Cause:


  • Debounce time exceeded.

  • SS1 threshold exceeded.

  • Incorrect configuration.

  • SLS type overspeed detected.




Remedy:


  • Check the safety functions configuration.

  • Check the ATV320 Integrated safety Functions manual.

  • Contact Schneider Electric Product Support.
SCF1

Motor short circuit error
Cause:

Short-circuit or grounding at the drive output.



Remedy:


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

  • Reduce the switching frequency.

  • Connect chokes in series with the motor.

  • Check the adjustment of speed loop and brake.

  • Increase the [Time to restart] TTR.
SCF3

Ground short circuit error
Cause:

Significant earth leakage current at the drive output if several motors are connected in parallel.



Remedy:


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

  • Reduce the switching frequency.

  • Connect chokes in series with the motor.

  • Check the adjustment of speed loop and brake.

  • Increase the [Time to restart] TTR.
SCF4

IGBT short circuit error
Cause:

Power component detected error.



Remedy:

Contact Schneider Electric Product Support.
SCFS

Motor short circuit error
Cause:

Short-circuit at drive output.



Remedy:


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

  • Contact Schneider Electric Product Support.
SLF1

Modbus communication interruption error
Cause:

Communication interruption on the Modbus bus.



Remedy:


  • Check the communication bus.

  • Check the time-out.

  • Refer to the Modbus User manual.
SLF2

PC communication interruption error
Cause:

Communication interruption with PC Software.



Remedy:


  • Check the PC Software connecting cable.

  • Check the time-out.
SLF3

HMI communication interruption error
Cause:

Communication interruption with the graphic display terminal or remote display terminal.



Remedy:


  • Check the terminal connection.

  • Check the time-out.
SOF

Motor overspeed error
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 has been reached.




Remedy:


  • Check the motor, gain and stability parameters.

  • Add a braking resistor.

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

  • Verify parameters for [Frequency meter].

  • Verify the consistency between [Max Frequency] and [High Speed].
SPF

Encoder feedback loss error
Cause:


  • Signal on Pulse input missing, if the input is used for speed measurement.

  • Encoder feedback signal missing.




Remedy:


  • Check the wiring of the input cable and the detector used.

  • Check the configuration parameters of the encoder.

  • Check the wiring between the encoder and the drive.

  • Check the encoder.
SSF

Torque limitation error
Cause:

Switch to torque or current limitation.



Remedy:


  • Check if there are any mechanical problems.

  • Check the parameters of [Torque limitation] TOL and the parameters of the [Torque or I limit detect].
TJF

IGBT overheating
Cause:

Drive overheated.



Remedy:


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

  • Reduce the switching frequency.

  • Wait for the motor to cool before restarting.
tnF

Autotuning detected error
Cause:


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

  • Motor not connected to the drive.

  • Motor not stopped.




Remedy:


  • Check that the motor/drive are compatible.

  • Check that the motor is present during auto-tuning.

  • If an output contactor is being used, close it during auto-tuning.

  • Check that the motor is stopped during tune operation.
tSF

Tank Probe Error
Cause:


  • Tank water probe disconnected.

  • Tank water probe broken.

  • Alarm threshold too low ([Probe Threshold] LPTP).




Remedy:


  • Check the liquid probe connexion.

  • Check [Liquid Threshold] LPT and [Probe Threshold] LPTP parameters.
ULF

Process underload error
Cause:

Process underload.



Remedy:


  • Check and remove the cause of the underload.

  • Check the parameters of the [Process underload] ULD- function.
USF

Supply mains undervoltage error
Cause:


  • Supply mains too low.

  • Transient voltage dip.




Remedy:

Check the voltage and the parameters of [Undervoltage handling] USB-.