PG Drives Error 1703 Relay Error. GC GC2, VR2

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PG Drives Error 1703 Relay Error. GC GC2, VR2

Postby Avia Mobility » 05 Jun 2021, 23:17

Has anyone found what causes this error?
Specifically which component may be causing this trip on GC, GC2 and VR2 controllers.
I am trying to do a board level repair.

All 35v 680uF caps have been replaced
Relay cover popped for inspection: all contacts and coil are working as expected.
Batteries are fine and hold current to board.
All drive FETs test normal.

Can anyone tell me what causes this fault or which PCB components may be triggering it?
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Re: PG Drives Error 1703 Relay Error. GC GC2, VR2

Postby Burgerman » 05 Jun 2021, 23:21

I doubt anyone repairs these so you might get no response. Its also pretty hard to do when theres no available data or schematics etc. They are basically disposable. So time involved makes it non viable unles you are lucky and its obvious.
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Re: PG Drives Error 1703 Relay Error. GC GC2, VR2

Postby davidpaul » 15 Jun 2021, 21:19

PG Drives do a refurb service, I've had two controllers done come back like new
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