Issue:
Cause of an OLF1 fault on the Altiivar 12 drive.
Product Line:
ATV12
Environment:
All serial numbers
Cause:
1 output phase loss
Resolution:
• Check the drive settings. (nCr, ITh, CLI)
• Loss of one phase at drive output
• Check the connections from the drive to the motor
• In case of using downstream contactor, check the right connection, cable and contactor
Cause of an OLF1 fault on the Altiivar 12 drive.
Product Line:
ATV12
Environment:
All serial numbers
Cause:
1 output phase loss
Resolution:
• Check the drive settings. (nCr, ITh, CLI)
• Loss of one phase at drive output
• Check the connections from the drive to the motor
• In case of using downstream contactor, check the right connection, cable and contactor
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