Electronics > Repair

NOCO GB70 repair help

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AN86:
Hello, a friend of mine give NOCO GB70 to me. Its dead,
Just red light is iluminated, dont charge, cant turn on.
I open it and on quick look, its all ok. Battery is on 11.8V ,its not full but i guess its not empty either. Fuse is good, not burned.
Can you give me some directions if there is any know fault or where to look for problem.

Thanks in advance.

jerryk:
First - Disconnect the JST connection from the battery to the board.
Second - Do not try to desolder any components as parts of the main board are still under power.
From there can you post a photo the board and the date code of the device which is printed on the side of the case.  Good new is the battery is still viable.  The GB70 can blow the relays and that can be a daunting repair.  However, most of the time it's not terrible to repair.  As a start, confirm all switches are functional.

Jerry

eurgenca:
Which red 25% or !.

AN86:
Thanks for fast repay.
Switches are ok. I tested that first.  This evening ill take a picture of the board numbers. "!" Error light is on.

jerryk:
Also disconnect both the relay and NTC plugs and check both for proper function.

Jerry

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