Issue:
My Process drive tripped and shows PFMF PID Feedback Error

Product Line:
Altivar Machines, Altivar Process Drive

Environment:
All models and serial numbers

Cause:
Programming configuration

Resolution:
Rapid changes in flow like a Valve opened, so it will run full speed.  While valve remains open the drive shuts down on PFMF PID Feedback Error, because the loop is now open.  Go to Pump Functions Feedback Monitoring Feedback Monitoring and change to NO.

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