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.
Released for: Schneider Electric USA
Need help?
Product Selector
Quickly and easily find the right products and accessories for your applications.
Get a Quote
Start your sales inquiry online and an expert will connect with you.
Where to buy?
Easily find the nearest Schneider Electric distributor in your location.
Help Center
Find support resources for all your needs, in one place.
