Issue:
Drive not accepting program changes

Product Line:
ATV12, ATV312, ATV61,ATV71, ATV312, ATV32

Environment:
All

Cause:
Unable to assign drive parameters, Drive will not accept changes.

Resolution:
Typical reasons that a VFD will not allow a parameter to be changed:
Verify the drive does not have an active run command.  Most parameters changes require the VFD to not be in run status.
Verify the parameter is not incompatible with other parameter settings.

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