K&R GT600-4T132G User Manual page 305

Operating Panel Display
-
Cause
The wiring between the AC drive and
motor is incorrect.
Related AC drive and motor parameters
are set improperly.
Cable connection between drive board
and control board is in poor contact.
The drive board is faulty.
Operating Panel Display
-
Cause
Related parameters are set incorrectly.
External signals are incorrect.
Jumper across OP and +24 V becomes
loose.
The control board is faulty.
Operating Panel Display
-
Cause
Encoder is faulty.
Encoder connection is incorrect or in poor
contact.
PG card is faulty.
Drive board is faulty.
Operating Panel Display
-
Cause
Motor parameters are set improperly.
Acceleration/deceleration time is improper. Set proper acceleration/deceleration time.
Load fluctuates.
Operating Panel Display
Cause
The pre-charge relay or contactor is not
closed.
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Fault Description
The motor does not rotate after the AC drive runs.
Possible Solution
Check that wiring between AC drive and motor is normal.
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)
F3-01 (torque boost) in V/F control under heavy-load start.
Re-connect wirings and ensure secure connection.
Contact the agent or K&R.
Fault Description
DI terminals are disabled.
Possible Solution
Check and set parameters in group F4 again.
Re-connect external signal cables.
Re-confirm the jumper bar across OP and +24 V.
Contact the agent or K&R.
Fault Description
Motor speed does not rise in FVC control.
Possible Solution
Replace encoder and re-confirm cable connection.
Reconnect the encoder to ensure in good contact.
Replace the PG card.
Contact the agent or K&R.
Fault Description
The AC drive detects overcurrent and overvoltage
frequently.
Possible Solution
Set motor parameters or perform motor auto-tuning again.
Contact the agent or K&R.
Fault Description
Err17 is detected upon power-on or running.
Possible Solution
Check whether the relay or contactor cable is loose.
Check whether the relay or contactor is faulty.
Check whether 24 V power supply of the contactor is faulty.
Contact the agent or K&R.
Appendix B Parameter Table
10. Troubleshooting