Inovance MD500T75G - Page 300

12. Troubleshooting MD500 User Manual
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Operating Panel Display Fault Description
- The motor does not rotate after the AC drive runs.
Cause Possible Solution
Check the motor and the motor cables. Check that cabling between the AC drive and the motor is normal.
The related AC drive and motor parameters are set improperly. Restore the factory parameters and re-set
the following parameters properly:
Encoder parameters
Motor ratings, such as rate motor
frequency and rated motor speed
Motor 1 control mode (F0-01) and command
source selection (F0-02)
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The cable connecting the drive board and
the control board is in poor contact.
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The drive board is faulty. Contact the agent or Inovance.
Operating Panel Display Fault Description
- The DI terminals are disabled.
Cause Possible Solution
The related parameters are set incorrectly. Check and set the parameters in group F4 again.
The external signal is incorrect. Re-connect the external signal cables.
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The control board is faulty. Contact the agent or Inovance.
Operating Panel Display Fault Description
- The motor speed does not rise in the CLVC mode.
Cause Possible Solution
The encoder is faulty. 5HSODFHWKHHQFRGHUDQGUHFRQÀUPWKHFDEOHFRQQHFWLRQ
The encoder cable connection is incorrect or in poor contact. Replace the PG card.
The PG card is faulty. Contact the agent or Inovance.
The drive board is faulty.
Operating Panel Display Fault Description
- The AC drive reports overcurrent and overvoltage frequently.
Cause Possible Solution
The motor parameters are set improperly. Set the motor parameters or perform motor auto-tuning again.
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Operating Panel Display Fault Description
Err17 is reported upon power-on or running.
Cause Possible Solution
The soft startup contactor is not closed. Check whether the contactor cable is loose.
Check whether the contactor is faulty.
Check whether 24 V power supply of the contactor is faulty.
Contact the agent or Inovance.
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