What is an OPF2 code on an ATV320 drive?
Issue:
Display shows OPF2 fault on an ATV320 drive.
Product Line:
Altivar 320
Environment:
All
Cause:
Motor is not connected, output contactor (if used) is not closing fast enough, or the motor current draw is too low.
Resolution:
Check all the output connections from the drive to the motor.
Check all the motor parameters and make sure the set values match the motor nameplate data.
Check to see if there is an output contactor between the output of the drive and motor connector is probably open. If an output contactor is used, go to menu CONF, FULL, FLT-, OPL and set Output Phase loss to No (Must press ENT key for 2 seconds).
Test the drive without the motor connected:
Display shows OPF2 fault on an ATV320 drive.
Product Line:
Altivar 320
Environment:
All
Cause:
Motor is not connected, output contactor (if used) is not closing fast enough, or the motor current draw is too low.
Resolution:
Check all the output connections from the drive to the motor.
Check all the motor parameters and make sure the set values match the motor nameplate data.
Check to see if there is an output contactor between the output of the drive and motor connector is probably open. If an output contactor is used, go to menu CONF, FULL, FLT-, OPL and set Output Phase loss to No (Must press ENT key for 2 seconds).
Test the drive without the motor connected:
- Set OPL to No. Must press ENT key for 2 seconds.
- Power down and disconnect the motor from the drive's terminals.
- With the motor disconnected, run the drive at 20, 30, and 60Hz and measure the output voltages phase-to-phase to see if they are all balanced.
- With the motor disconnected, megger out the motor with 1,000V Megger.
發佈於: 施耐德電機Taiwan
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