On 06/20/2017 09:03 AM, Tom Easterday wrote:
Is there a parameter I can tweak after it happens in order to clear the fault 
(e.g. can I clear the ferror value) ?  I can then try to home again...

PID error should be recomputed every servo cycle. If PID error remains at a large value, then it means that the commanded position is not being reset to the actual position when not in machine-on state. Whenever you leave the machine-on state (following error, F2 or F1) then the commanded position should be reset to equal actual position, and that should cause PID error to become zero.

Jon

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