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04/01/2017 2:23 am
I have a gearless ultron DDC with an Allen Bradley drive that keeps throwing HF, F8, F2, F1. Sometimes unit will run fine for a few hours and sometimes it will run about a foot before shutting. While attempting to troubleshoot while it's doing this the thing starts running fine again.
04/01/2017 3:43 am
motor field connection problems, vp 13 or vp32 both motor field problems. maybe a bad motor field connection, or bad field feedback board.
04/01/2017 5:05 am
do you have a service tool or diagnostic software?
06/01/2017 11:55 am
Bad feedback board