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No forward or reverse

Crown RC3000

Have had this issue for a while. Thought I fixed it with replacing REC 1, worked for approx 3 wks and has returned. Checked Rec 3 & 4, good. Checked wiring from PCB pos 2 down to FWD and REV contactors, good. Noticed burnt wiring (brown) that connects to filter 1 (blue wire on other side of filter) and wire that goes to connector on card next to analyzer port. When meter wiring showing 0.5 volts. Not sure where to go from here.

Posted 25 Feb 2016 14:07
By Chip
joined 25 Feb'16 - 13 messages
Wyoming, United States

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The burnt wiring (brown) I believe was the problem. Once I removed the bracket for the current sensor there was a good deal of pitting and residue that, we believe, was causing just enough voltage to get through to keep the safety activated. Once I cleaned everything up and replaced wire it is working for now.

Posted 28 Feb 2016 17:01
By Chip
joined 25 Feb'16 - 13 messages
Wyoming, United States

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Do you get a double trip like a 2 or 5 REC or nothing at all like a bad brake switch or stuck 1A contactor?

Posted 28 Feb 2016 06:25
By popeye
joined 24 Nov'14 - 208 messages
Ohio, United States

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