What is an OHF Fault on an ATV312?
Issue:
ATV312 OHF fault
Product Line:
Altivar, ATV312
Environment:
All
Cause:
Drive over heating fault.
Drive temperature too high
Resolution:
Check the motor load, the drive ventilation and the environment. Wait for the drive to cool before restarting.
Check the see if the cooling fan is running.
The threshold for OHF fault is 118% based on heatsink temp.
ATV312 OHF fault
Product Line:
Altivar, ATV312
Environment:
All
Cause:
Drive over heating fault.
Drive temperature too high
Resolution:
Check the motor load, the drive ventilation and the environment. Wait for the drive to cool before restarting.
Check the see if the cooling fan is running.
The threshold for OHF fault is 118% based on heatsink temp.