Er102
Overcurrent during acceleration |
Cause:
- 1. The output circuit is grounded or short circuited.
- 2. The control mode is vector control but motor auto-tuning is not performed.
- 3. The acceleration time is too short.
- 4. Customized torque boost or V/F curve is not appropriate.
- 5. The voltage is too low.
- 6. A start command is sent to the rotating motor.
- 7. A load is added during acceleration.
- 8. The power rating of the drive is too low.
Remedy:
- 1. Eliminate faults of peripheral devices.
- 2. Perform motor auto-tuning.
- 3. Increase the acceleration time.
- 4. Adjust the customized torque boost or V/F curve.
- 5. Adjust the voltage to the normal range.
- 6. Select rotational speed tracking restart or start the motor after it stops.
- 7. Remove the added load.
- 8. Select a drive model of higher power rating.
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Er103
Overvoltage during deceleration |
Cause:
- 1. The output circuit is grounded or short circuited.
- 2. The control mode is vector control but motor auto-tuning is not performed.
- 3. The deceleration time is too short.
- 4. The voltage is too low.
- 5. A load is added during deceleration.
- 6. No braking unit and braking resistor are installed.
Remedy:
- 1. Eliminate faults of peripheral devices.
- 2. Perform motor auto-tuning.
- 3. Increase the deceleration time.
- 4. Adjust the voltage to the normal range.
- 5. Remove the added load.
- 6. Install the braking unit and braking resistor.
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Er104
Overvoltage at constant speed |
Cause:
- 1. The output circuit is grounded or short circuited.
- 2. The control mode is vector control but motor auto-tuning is not performed.
- 3. The voltage is too low.
- 4. A load is added when the motor is running.
- 5. The power rating of the drive is too low.
Remedy:
- 1. Eliminate faults of peripheral devices.
- 2. Perform motor auto-tuning.
- 3. Adjust the voltage to the normal range.
- 4. Remove the added load.
- 5. Select a drive model of higher power rating.
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Er105
Overcurrent during acceleration |
Cause:
- 1. The input voltage is too high.
- 2. An external force drives the motor during acceleration.
- 3. The acceleration time is too short.
- 4. No braking unit and braking resistor are installed.
Remedy:
- 1. Adjust the voltage to the normal range.
- 2. Cancel the external force or install a braking resistor.
- 3. Increase the acceleration time.
- 4. Install the braking unit and braking resistor.
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Er106
Overvoltage during deceleration |
Cause:
- 1. The input voltage is too high.
- 2. An external force drives the motor during deceleration.
- 3. The deceleration time is too short.
- 4. No braking unit and braking resistor are installed.
Remedy:
- 1. Adjust the voltage to the normal range.
- 2. Cancel the external force or install a braking resistor.
- 3. Increase the deceleration time.
- 4. Install the braking unit and braking resistor.
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Er107
Overvoltage at constant speed |
Cause:
- 1. The input voltage is too high.
- 2. An external force drives the motor during acceleration.
Remedy:
- 1. Adjust the voltage to the normal range.
- 2. Cancel the external force or install a braking resistor.
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Er108
Control power fault |
Cause:
- The input voltage is out of the specified range.
Remedy:
- Adjust the input voltage to the specified range.
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Er109
Undervoltage fault |
Cause:
- 1. Instantaneous power failure occurs.
- 2. The input voltage is out of the allowable range.
- 3. The bus voltage is abnormal.
- 4. The rectifier bridge and pre-charge resistor are faulty.
- 5. The drive board is faulty.
- 6. The control board is faulty.
Remedy:
- 1. Reset the drive.
- 2. Adjust the voltage to the normal range.
- 3-6. Contact the agent or Inovance.
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Er110
Drive overload |
Cause:
- 1. The load is too heavy or rotors of the motor are blocked.
- 2. The power rating of the drive is too low.
Remedy:
- 1. Reduce the load and check the motor and mechanical conditions.
- 2. Select a drive model of higher power rating.
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Er111
Motor overload |
Cause:
- 1. The motor protection parameter bE.01 is not set properly.
- 2. The load is too heavy or rotors of the motor are blocked.
- 3. The power rating of the drive is too low.
Remedy:
- 1. Set the bE.01 properly.
- 2. Reduce the load and check the motor and mechanical conditions.
- 3. Select a drive model of higher power rating.
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Er112
Input phase loss |
Cause:
- 1. The three-phase power input is abnormal.
- 2. The drive board, lightning protection board, control board, or rectifier bridge is abnormal.
Remedy:
- 1. Check and eliminate wiring problems.
- 2. Contact the agent or Inovance.
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Er114
IGBT overheat |
Cause:
- 1. The ambient temperature is too high.
- 2. The cooling air channel is blocked.
- 3. The fan is damaged.
- 4. The thermistor of the module is damaged.
- 5. The IGBT module is faulty.
Remedy:
- 1. Lower the ambient temperature.
- 2. Clean the cooling air channel.
- 3. Replace the fan.
- 4. Replace the thermistor.
- 5. Replace the IGBT module.
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Er115
Built-in braking unit overloaded |
Cause:
- 1. The resistance of the braking resistor is too small.
- 2. The braking resistor is short circuited.
- 3. The built-in braking unit is damaged.
- 4. The power of the load is too high.
Remedy:
- 1. Use a braking resistor of larger resistance.
- 2. Check the cable connection between the drive and braking resistor.
- 3. Contact the agent or Inovance.
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Er117
Contactor fault |
Cause:
- 1. The drive board or power supply is faulty.
- 2. The contactor is faulty.
Remedy:
- 1. Replace the drive board or power supply board.
- 2. Replace the contactor.
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Er118
Current detection fault |
Cause:
- 1. The hall is faulty.
- 2. The drive board is faulty.
Remedy:
- 1. Replace the hall.
- 2. Replace the drive board.
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Er119
Motor auto-tuning fault |
Cause:
- 1. The motor parameter settings are inconsistent with those on the motor nameplate.
- 2. Motor auto-tuning times out.
Remedy:
- 1. Set the motor parameters according to values on the motor nameplate.
- 2. Check the cable connections between the drive and the motor.
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Er120
Encoder fault |
Cause:
- 1. The encoder type does not match the drive.
- 2. The encoder is connected incorrectly.
- 3. The encoder is damaged.
- 4. The PG card is faulty.
Remedy:
- 1. Set the encoder type correctly.
- 2. Eliminate wiring problems.
- 3. Replace the encoder.
- 4. Replace the PG card.
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Er123
Short circuit to ground |
Cause:
- 1. The motor is short circuited to the ground.
Remedy:
- 1. Replace the cable or motor.
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Er125 Output phase loss |
Cause:
1. The cables connecting the drive and the motor are abnormal.
2. The three-phase outputs of the drive are unbalanced when the motor is running.
3. The drive board is faulty.
4. The IGBT module is faulty.
Remedy:
- 1. Eliminate faults of peripheral devices.
- 2. Check whether the motor three-phase winding is normal. If not, rectify the fault.
- 3. Contact the agent or Inovance.
- 4. Contact the agent or Inovance.
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Er137 Abnormal frequency direction |
Cause:
The direction of the frequency reference is reverse to the direction of the motor feedback frequency.
Remedy:
- 1. Check that motor parameters are set correctly.
- 2. Check whether the load is heavy. If so, reduce the load.
- 3. Modify setting of bC.02.
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Er138 Abnormal frequency following |
Cause:
There is large deviation between the frequency reference and the motor feedback frequency.
Remedy:
- 1. Check that motor parameters are set correctly.
- 2. Check whether the load is heavy. If so, reduce the load.
- 3. Modify settings of bC.03 and bC.04.
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Er140 Pulse-by-pulse current limiting fault |
Cause:
1. The load is too heavy or rotors of the motor are blocked.
2. The power rating of the drive is too low.
Remedy:
- 1. Reduce the load and check the motor and mechanical conditions.
- 2. Select a drive model of higher power rating.
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Er*41 Brake release fault |
Cause:
The input brake release feedback signal is incorrect. For details, see description of b6.08.
Remedy:
- 1. Check the brake circuit.
- 2. Check the brake release feedback input option (input function 11) of the control board.
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Er*42 Brake applying fault |
Cause:
The input brake applying feedback signal is incorrect. For details, see description of b6.08.
Remedy:
- 1. Check the brake circuit.
- 2. Check the brake applying feedback input option (input function 12) of the control board.
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Er*43 Shaft-cooling motor low-speed running timeout |
Cause:
For details, see description of b0.00 and b0.01.
Remedy:
- 1. Adjust settings of b0.00 and b0.01.
- 2. Take protection measures to prevent the motor from overheating.
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Er*44 Forward and reverse RUN commands valid simultaneously |
Cause:
The drive detects forward and reverse RUN commands simultaneously.
Remedy:
- 1. Check peripheral circuits of the forward and reverse RUN command input channels.
- 2. Increase the DI filter time properly.
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Er*45 Joystick not reset |
Cause:
The drive detects the RUN command or input frequency reference signal at power-on.
Remedy:
- 1. Ensure that all NO inputs are disabled during power-on.
- 2. Enter the RUN command after system initialization is completed.
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Er*46 Process card communication fault |
Cause:
Communication between the drive and process card (CS70CF*) is abnormal.
Remedy:
- 1. Check that bF.18 is set correctly.
- 2. Contact the agent or Inovance.
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Er*47 CANlink communication fault |
Cause:
1. The CANlink extension card does not work normally.
2. The communication cable does not work normally.
Remedy:
- 1. Check that communication cables between extension cards are securely connected.
- 2. Check that the extension card interfaces are securely connected.
- 3. Shorten the distances between communication nodes.
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Er*48 Communication error |
Cause:
1. The computer does not work normally.
2. The communication cable does not work normally.
3. Communication parameters in group bd are not set properly.
Remedy:
- 1. Check the cable connected to the computer.
- 2. Check the communication cable connection.
- 3. Set the extension card correctly.
- 4. Set communication parameters correctly.
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Er*49 Parameter read-write error |
Cause:
The EEPROM chip is damaged.
Remedy:
- Replace the control board.
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Er*50 External input fault |
Cause:
DI function 6 is valid.
Remedy:
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Er*51 Function code error |
Cause:
1. A function parameter is not set properly.
2. The EEPROM storage chip is faulty.
Remedy:
- 1. Use the parameter self-check function to find the abnormal function parameter and modify it.
- 2. Replace the control board.
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