Issue:
OCL fault on the ATV21/ATV212 drives
Product Line:
Altivar ATV21 and ATV212 including the S-Flex enclosed drives.
Environment:
All
Cause:
The ATV212 drive is tripping on OCL fault when they try and run the motor.
Resolution:
OCL means phase to phase output short circuit. The motor impedance to ground is low.
Troubleshooting tips:
Try dropping the motor leads and meggering out the motor with a 1kv meggering if the motor checks out ok
If you need to run the drive open circuit without the motor connected:
Turn off the Drive and wait until the DC bus caps have discharged.
Turn off OPL ( F605) , set to 0 then set up F307 to 2
Now with the motor disconnected you can run the VFD open circuit at 20 40 and 60hz. Check your output voltage at each stage.
OCL fault on the ATV21/ATV212 drives
Product Line:
Altivar ATV21 and ATV212 including the S-Flex enclosed drives.
Environment:
All
Cause:
The ATV212 drive is tripping on OCL fault when they try and run the motor.
Resolution:
OCL means phase to phase output short circuit. The motor impedance to ground is low.
Troubleshooting tips:
Try dropping the motor leads and meggering out the motor with a 1kv meggering if the motor checks out ok
If you need to run the drive open circuit without the motor connected:
Turn off the Drive and wait until the DC bus caps have discharged.
Turn off OPL ( F605) , set to 0 then set up F307 to 2
Now with the motor disconnected you can run the VFD open circuit at 20 40 and 60hz. Check your output voltage at each stage.
Đã phát hành cho: Schneider Electric Việt Nam
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