What is a OPF2 fault on a ATV12 drive?
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
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/פורסם עבור: שניידר אלקטריק ישראל
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