Inovance CP700 Drive

Inovance CP700 Drive Fault Codes:

Fault Code and MeaningCause and Remedy
Err02

Overcurrent during acceleration
Cause:



  • The output circuit of the AC drive is grounded or short circuited.

  • The control mode is SVC but motor auto-tuning is not performed.

  • Acceleration time is too short under V/F control.

  • The overcurrent stall prevention parameters are set improperly for V/F control.

  • The customized torque boost or the V/F curve is improper under V/F control.

  • The motor is started during rotating.

  • The AC drive suffers external interference.

  • The motor is short-circuited to ground or between phases.



Remedy:



  • Eliminate external faults. Check whether short-circuit occurs on the motor or contactor.

  • Set the motor parameters according to the motor nameplate and perform motor auto-tuning.

  • Increase the acceleration time.

  • Ensure that current limit is enabled (F3-19 = 1).

  • The setting of F3-18 (V/F current limit level) is too large. Adjust it between 120% and 150%.

  • The setting of F3-20 (V/F current limit gain) is too small. Adjust it between 20 and 40.

  • Adjust the customized torque boost or V/F curve.

  • Select rotational speed tracking restart for the asynchronous motor or start the motor after it stops.

  • View historical fault records. If the current value is far from the overcurrent level, find the interference source. If no external interference exists, the drive board or hall device may be faulty.

  • Check whether the motor is short-circuited to ground using a multimeter.
Err03

Overcurrent during deceleration
Cause:



  • The output circuit of the AC drive is grounded or short circuited.

  • The control mode is SVC but motor auto-tuning is not performed.

  • Acceleration time is too short under V/F control.

  • The overcurrent stall prevention parameters are set improperly for V/F control.

  • The customized torque boost or the V/F curve is improper under V/F control.

  • The motor is started during rotating.

  • The AC drive suffers external interference.

  • The motor is short-circuited to ground or between phases.



Remedy:



  • Eliminate external faults. Check whether short-circuit occurs on the motor or contactor.

  • Set the motor parameters according to the motor nameplate and perform motor auto-tuning.

  • Increase the acceleration time.

  • Ensure that current limit is enabled (F3-19 = 1).

  • The setting of F3-18 (V/F current limit level) is too large. Adjust it between 120% and 150%.

  • The setting of F3-20 (V/F current limit gain) is too small. Adjust it between 20 and 40.

  • Adjust the customized torque boost or V/F curve.

  • Select rotational speed tracking restart for the asynchronous motor or start the motor after it stops.

  • View historical fault records. If the current value is far from the overcurrent level, find the interference source. If no external interference exists, the drive board or hall device may be faulty.

  • Check whether the motor is short-circuited to ground using a multimeter.
Err04

Overcurrent at constant speed
Cause:



  • The output circuit of the AC drive is grounded or short circuited.

  • The control mode is SVC but motor auto-tuning is not performed.

  • Acceleration time is too short under V/F control.

  • The overcurrent stall prevention parameters are set improperly for V/F control.

  • The customized torque boost or the V/F curve is improper under V/F control.

  • The motor is started during rotating.

  • The AC drive suffers external interference.

  • The motor is short-circuited to ground or between phases.



Remedy:



  • Eliminate external faults. Check whether short-circuit occurs on the motor or contactor.

  • Set the motor parameters according to the motor nameplate and perform motor auto-tuning.

  • Increase the acceleration time.

  • Ensure that current limit is enabled (F3-19 = 1).

  • The setting of F3-18 (V/F current limit level) is too large. Adjust it between 120% and 150%.

  • The setting of F3-20 (V/F current limit gain) is too small. Adjust it between 20 and 40.

  • Adjust the customized torque boost or V/F curve.

  • Select rotational speed tracking restart for the asynchronous motor or start the motor after it stops.

  • View historical fault records. If the current value is far from the overcurrent level, find the interference source. If no external interference exists, the drive board or hall device may be faulty.

  • Check whether the motor is short-circuited to ground using a multimeter.
Err05

Overvoltage during acceleration
Cause:



  • The input voltage is too high.

  • An external force drives the motor during acceleration.

  • The overvoltage stall prevention parameters are set improperly.

  • The acceleration time is too short.



Remedy:



  • Adjust the voltage to the normal range.

  • Cancel the external force.

  • Check that the voltage limit function is enabled (F3-23 = 1).

  • If the setting of F3-22 (V/F voltage limit) is too large, adjust it between 700 V and 770 V.

  • If the setting of F3-24 (V/F frequency gain for voltage limit) is too small, adjust it between 30 and 50.

  • Increase the acceleration time.
Err06

Overvoltage during deceleration
Cause:



  • The overvoltage stall prevention parameters are set improperly.

  • An external force drives the motor during deceleration.

  • The deceleration time is too short.



Remedy:



  • Check that the voltage limit function is enabled (F3-23 = 1).

  • If the setting of F3-22 (V/F voltage limit) is too large, adjust it between 700 V and 770 V.

  • If the setting of F3-24 (V/F frequency gain for voltage limit) is too small, adjust it between 30 and 50.

  • Cancel the external force or install a braking resistor.

  • Increase the deceleration time.
Err07

Overvoltage at constant speed
Cause:



  • The overvoltage stall prevention parameters are set improperly.

  • An external force drives the motor during acceleration.

  • The input voltage fluctuates greatly in the field.



Remedy:



  • Check that the voltage limit function is enabled (F3-23 = 1).

  • If the setting of F3-22 (V/F voltage limit) is too large, adjust it between 700 V and 770 V.

  • If the setting of F3-24 (V/F frequency gain for voltage limit) is too small, adjust it between 30 and 50.

  • If the setting of F3-26 (V/F frequency rise threshold during voltage limit) is too small, adjust it between 5 Hz and 20 Hz.

  • Cancel the external force.

  • Adjust the input voltage fluctuation range to an allowed range.
Err09

Undervoltage
Cause:



  • Instantaneous power failure occurs.

  • The AC drive’s input voltage is not within the allowable range.

  • The bus voltage is abnormal.

  • The rectifier bridge, snubber resistor, drive board, or the control board is abnormal.



Remedy:



  • Enable the power dip ride through function (F9-59 ≠ 0).

  • Adjust the voltage to the normal range.

  • Contact the agent or Inovance for technical support.
Err10

AC drive overload
Cause:



  • The load is too heavy or locked-rotor occurs on the motor.

  • The AC drive model is of too low power rating.

  • The air end of the air compressor rotates in the reverse direction.



Remedy:



  • Reduce the load and check the motor and mechanical conditions.

  • Select an AC drive of higher power rating.

  • Check that the motor wiring is correct.
Err11

Motor overload
Cause:



  • F9-01 (Motor overload protection gain) is set improperly.

  • The load is too heavy or locked-rotor occurs on the motor.



Remedy:



  • Set F9-01 (Motor overload protection gain) properly.

  • Reduce the load and check the motor and mechanical conditions.
Err12

Input phase loss
Cause:



  • The three-phase power input is abnormal.

  • The drive board, lightning protection board, control board, or rectifier bridge is abnormal.



Remedy:



  • Eliminate external faults.

  • Contact the agent or Inovance for technical support.
Err13

Output phase loss
Cause:



  • The motor is faulty.

  • The cables connecting the AC drive and the motor are abnormal.

  • The three-phase outputs of the AC drive are unbalanced when the motor is running.

  • The drive board or the IGBT is abnormal.



Remedy:



  • Check whether the motor is disconnected.

  • Eliminate external faults.

  • Check whether the motor three-phase winding is normal.

  • Contact the agent or Inovance for technical support.
Err14

IGBT overheat
Cause:



  • The ambient temperature is too high.

  • The air filter is blocked.

  • The fan is damaged.

  • The thermistor of the IGBT is damaged.

  • The IGBT is damaged.



Remedy:



  • Reduce the ambient temperature.

  • Clean the air filter.

  • Replace the damaged fan.

  • Replace the damaged thermistor.

  • Replace the damaged IGBT.
Err15

External device fault
Cause:



  • External fault signals are input using the DI.



Remedy:



  • Confirm that the mechanical condition allows restart (F8-18) and reset the operation.
Err16
Communication fault
Cause:

  • The host computer is abnormal.

  • The communication cable is faulty.

  • F0-28 (Auxiliary frequency coefficient) is set improperly for the communication extension card.

  • Communication parameters in group FD are set improperly.




Remedy:

  • Check wiring of the host computer.

  • Check connection of the communication cable.

  • Set the communication extension card type correctly.

  • Set communication parameters in group FD properly. After all preceding solutions are done but fault still exists, restore default settings.
Err17
Contactor fault
Cause:

  • The drive board and power supply are abnormal.

  • The contactor is abnormal.

  • The lightning protection board is abnormal.




Remedy:

  • Replace the faulty drive board or power supply board.

  • Replace the faulty contactor.

  • Replace the lightning protection board.
Err18
Current detection fault
Cause:

  • The hall device is abnormal.

  • The drive board is abnormal.




Remedy:

  • Replace the hall device.

  • Replace the drive board.
Err19
Motor auto-tuning fault
Cause:

  • The motor parameters are not set according to the nameplate.

  • Motor auto-tuning times out.




Remedy:

  • Set the motor parameters according to the nameplate properly.

  • Check the cables connecting the AC drive and the motor.
Err21
EEPROM read-write fault
Cause: The EEPROM chip is damaged.



Remedy: Replace the main control board.
Err23
Short circuit to ground
Cause: The motor is short circuited to the ground.



Remedy: Replace the cable or motor.
Err26
Accumulative running time reached
Cause: The accumulative running time reaches the setting value.



Remedy: Clear the record through parameter initialization.
Err29
Accumulative power-on time reached
Cause: The accumulative power-on time reaches the setting value.



Remedy: Clear the record through parameter initialization.
Err40
Pulse-by-pulse current limit fault
Cause:

  • The load is too heavy or locked-rotor occurs on the motor.

  • The AC drive model is of too low power rating.




Remedy:

  • Reduce the load and check the motor and mechanical conditions.

  • Select an AC drive of higher power rating.
Err42
Large speed error
Cause:

  • Motor auto-tuning is not performed.

  • F9-69 (Detection level of speed error) and F9-70 (Detection time of speed error) are set improperly.

  • The load is too heavy.




Remedy:

  • Perform motor auto-tuning.

  • Set F9-69 and F9-70 correctly based on actual conditions.

  • Select an AC drive properly.
Err45
Motor overtemperature
Cause:

  • Cable connection of the temperature sensor becomes loose.

  • The motor temperature is too high.




Remedy:

  • Check cable connection of the temperature sensor.

  • Increase the carrier frequency or take other measures to cool the motor.
A65 / Err66
Pre-warning / Overpressure of pressure sensor 2
Cause:

  • The pressure sensor is connected with the temperature sensor cable by mistake.

  • The setting of P2 pressure range does not meet requirements of the pressure sensor.

  • A8-10 [Stop pressure setting value] and A8-11 [Pre-warning pressure setting value] are set to small values.

  • The pressure sensor is abnormal.




Remedy:

  • Connect the pressure sensor cable correctly.

  • Set the P2 pressure range according to the requirements of the pressure sensor.

  • Set A8-10 and A8-11 based on actual requirements.

  • Replace the faulty pressure sensor.
Err67 / A68
Overtemperature / Pre-warning of temperature sensor 2
Cause:

  • The temperature sensor is connected with the pressure sensor cable by mistake.

  • The sensor temperature is too high due to poor heat dissipation.




Remedy:

  • Connect the temperature sensor cable correctly.

  • Check whether the air filter is clogged and the cooling fan rotates in the reverse direction.
A70 / Err71
Pre-warning / Overpressure of pressure sensor 1
Cause:

  • The pressure sensor is connected with the temperature sensor cable by mistake.

  • The setting of P2 pressure range does not meet requirements of the pressure sensor.

  • A8-10 and A8-11 settings are set to small values.

  • The pressure sensor is abnormal.




Remedy:

  • Connect the pressure sensor cable correctly.

  • Set the P2 pressure range according to the requirements of the pressure sensor.

  • Set A8-10 and A8-11 based on actual requirements.

  • Replace the faulty pressure sensor.
Err72 / A73
Overtemperature / Pre-warning of temperature sensor 1
Cause:

  • The temperature sensor is connected with the pressure sensor cable by mistake.

  • The sensor temperature is too high due to poor heat dissipation.




Remedy:

  • Connect the temperature sensor cable correctly.

  • Check whether the air filter is clogged and the cooling fan rotates in the reverse direction.
Err74 / Err75
Pressure/Temperature sensor disconnection fault
Cause:

  • The pressure/sensor wiring is abnormal.

  • The pressure or temperature sensor is abnormal.




Remedy:

  • Check the wiring.

  • Replace the faulty pressure or temperature sensor.
A76
Air filter maintenance pre-warning
Cause: The value of A8-28 (Air filter running time) reaches that of A8-23 (Air filter maintenance setting time).



Remedy: Maintain the air filter and clear A8-28 (Air filter running time).
A77
Oil filter maintenance pre-warning
Cause: The value of A8-29 (Oil filter running time) reaches that of A8-24.



Remedy: Maintain the oil filter and clear A8-29 (Oil filter running time).
A78
Oil/Gas separation maintenance pre-warning
Cause: The value of A8-30 (Oil gas separating running time) reaches that of A8-25.



Remedy: Maintain the oil and gas separator and clear A8-30 (Oil gas separating running time).
A79
Motor lubricating grease maintenance pre-warning
Cause: The value of A8-31 (Motor grease running time) reaches A8-26.



Remedy: Apply the lubricating grease and clear A8-31.
Err80
Lubricating oil maintenance pre-warning
Cause: The value of A8-32 (Lubricating oil applying time) reaches A8-27.



Remedy: Apply the lubricating oil and clear A8-32.
Err81
PTC2 overtemperature
Cause:

  • The PTC thermistor is disconnected due to motor overtemperature.

  • The DI terminal detects that the motor PTC signal is disconnected.




Remedy:

  • Check wiring (PTC2 indicates cooling blower PTC).

  • Check whether motor overtemperature exists. Check cooling blower motor.

  • Check whether cooling blower PTC is damaged (resistance < 3 kΩ).

  • Short DI5 and COM or allocate DI5 with function 0 temporarily to disable PTC2.
Err82
Oil fine separator blocked
Cause:

  • The oil fine separator is blocked.

  • The DI terminal setting and wiring are incorrect.




Remedy:

  • Clean the oil fine separator.

  • Check the DI terminal function setting and wiring.
Err83
Separator blocked
Cause:

  • The separator is blocked.

  • The DI terminal setting and wiring are incorrect.




Remedy:

  • Clean the separator.

  • Check the DI terminal function setting and wiring.
Err84
Oil filter blocked
Cause:

  • The oil filter is blocked.

  • The DI terminal setting and wiring are incorrect.




Remedy:

  • Clean the oil filter.

  • Check the DI terminal function setting and wiring.
Err85
Air filter blocked
Cause:

  • The air filter of the oil fine separator is blocked.

  • The DI terminal setting and wiring are incorrect.




Remedy:

  • Clean the air filter.

  • Check the DI terminal function setting and wiring.
Err86
PTC overtemperature (Main Motor)
Cause: The PTC thermistor is disconnected due to motor overtemperature or signal disconnect.



Remedy:

  • Check wiring (Main motor PTC connected to DI6).

  • Check whether motor overtemperature exists. Check heat dissipation.

  • Check if PTC is damaged (< 3 kΩ). Short DI6 and COM or allocate DI6 with function 0 to disable.
A87
Limited running time pre-warning
Cause: The running time reaches the set limited running time.



Remedy: Clear the running time or disable the limited running function.
Err88
Stop for air filter maintenance
Cause: Air filter running time exceeds maintenance period and long-time stop pre-warning time.



Remedy:

  • Maintain the equipment and clear related running time.

  • Contact the agent or Inovance for technical support.
Err89
Stop for oil filter maintenance
Cause: Oil filter running time exceeds limits.



Remedy:

  • Maintain the equipment and clear related running time.

  • Contact the agent or Inovance for technical support.
Err90
Stop for oil/gas separation maintenance
Cause: Oil/gas separator running time exceeds limits.



Remedy:

  • Maintain the equipment and clear related running time.

  • Contact the agent or Inovance for technical support.
Err91
Stop for motor lubricating grease maintenance
Cause: Grease applying time exceeds limits.



Remedy:

  • Maintain the equipment and clear related running time.

  • Contact the agent or Inovance for technical support.
Err92
Stop for lubricating oil maintenance
Cause: Lubricating oil applying time exceeds limits.



Remedy:

  • Maintain the equipment and clear related running time.

  • Contact the agent or Inovance for technical support.
Err93
Stop after pressure pre-warning time exceeded
Cause: Duration from pressure pre-warning reported exceeds limit.



Remedy: See the solutions for A70/71.
Err94
Stop after temperature pre-warning time exceeded
Cause: Duration from temperature pre-warning reported exceeds limit.



Remedy: See the solutions for Err72/A73.
Err95
Solenoid valve overcurrent
Cause:

  • Model/specifications of solenoid valve not suitable for transformer.

  • Solenoid valve is broken.

  • TA/TC terminal has no 220V output when running with load.




Remedy:

  • Check whether solenoid valve is suitable (AC 110/220 V).

  • Replace the solenoid valve.

  • Contact the agent or Inovance for technical support.
Err96
Phase sequence abnormal
Cause: Three-phase input sequence abnormal (R, S, T).



Remedy: Exchange any two of the phase sequences.
Err97
Output phase loss of mains frequency cooling blower
Cause:

  • The motor wiring is incorrect.

  • The motor cooling blower is damaged.

  • The fuse is loose or damaged.




Remedy:

  • Wire the motor properly.

  • Measure resistance between phases. If open circuit, replace motor cooling blower.

  • Fix the fuse properly or replace the fuse.
Err98
Low pump pressure
Cause:

  • Water pump function not provided, but DI terminal allocated function 59.

  • Water pump function provided, DI terminal allocated function 59.




Remedy:

  • Allocate the DI terminal with function 0.

  • If the water pump is abnormal, repair or replace it.
Err99
Mains frequency cooling blower overload
Cause:

  • Mains frequency cooling blower is with high specifications.

  • Motor cooling blower is blocked or stuck with foreign matter.




Remedy:

  • Select a suitable cooling blower.

  • Clear the foreign matter.