Issue:
Getting an OPF2 fault on the ATV12

Product Line:
Altivar Machine, ATV12

Environment:
All serial numbers

Cause:
• Motor not connected
• Motor power too low, below 6% of the drive nominal current
• Output contactor open
• Instantaneous instability in the motor current

Resolution:
• Check the connections from the drive to the motor
• Test on a low-power motor or without a motor: In factory settings mode, motor phase loss detection is active Output Phase loss detection OPLpage 94 = YES. To check the drive in a test or maintenance environment, without having to use a motor with the same rating as the drive, deactivate motor phase loss detection Output Phase loss detection OPL = nO
• Check and optimize the following parameters: IR compensation UFr page 58, Rated motor voltageUnS page 57 and Rated motor current nCr page 57 and perform an Auto-tuning tUn page 60

ATV12 user manual:

https://www.se.com/ww/en/download/document/BBV28581/

Publicerad för:Schneider Electric Sverige