MAINS OVERVOLTAGE

What does OSF mean?

This fault indicates that the incoming line voltage supply to the drive is too high or disturbed. Operating the drive with excessive input voltage can damage internal components.

• Line supply voltage is consistently above the drive's rated input voltage.
• Transient voltage disturbances or spikes on the line supply.

Click steps to track your progress.

1. 1

   Measure the incoming line voltage at the drive's power input terminals and verify it is within the specified operating range.