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What are remedies for the Supply Mains Overvoltage Fault (OSF) on the Altivar Process Drive?

Issue:
What are remedies for the Supply Mains Overvoltage Fault (OSF) on the Altivar Process Drive?

Product Line:
Altivar 630, 930, 650, 950, 660, 960 680, 980 Process Drives

Environment:
All serial numbers for Altivar 600 and 900 Process Drive

Cause:
N/A

Resolution:
This fault appears when the nominal voltage exceeds the maximum value of the drive
 
Possible Remedies:
At the drives power terminals
- Check Supply Line Voltage
- Check DC Bus Voltage
- If they have IT system, suggest to disconnect the EMI filter and then power cycle the drive and see if the fault returns.. 



 
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