[SOLVED] 820-3115 full boot on ac, charges and recognizes battery but will not run on battery

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pauly341

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[SOLVED] 820-3115 full boot on ac, charges and recognizes battery but will not run on battery

Greetings. I have an 820-3115 board works fully on adapter, sees and charges battery. With battery plugged in and fully charged, disconnecting AC kills machine. When starting only on battery, get a 3 second fan spin. Water damage by battery connector, replaced C6950 and C6950. Tried other batteries.

Thought it may be a current sensing issue but u7000 pins 27 and 28 measure 20.4 ohms.

Any thoughts on what to check next?

thx,
Paul
 

pauly341

New member
PPBUS on batt is 12.34.

There was liquid damage around U5010 - earlier I replaced R5014 because it was corroded and loose.

After running ASD, I get the following;

4sns/1/40000000:idor-8.247

Best I can find in my research is this is a power issue but can't find the exact code.

thanks,
Paul
 
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