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problem with Dell XCMRD after replace Cells

johan22102210
(@johan22102210)
Active Member Customer

hello ; 

Battery Dell XCMRD   

chip BQ30472 

Sans titre

After replace new cells i get voltage error !  

cell 1  6 mv  

cell 2 8000 mv !   

i check the cells all ok 4.17

pro 9Z7XIEJq

 

pro 31FTZRBw

 

 

 

ReplyQuote
Topic starter Posted : 14/09/2023 7:26 pm
torture
(@torture)
Member Moderator

Were the cells voltages displayed correctly before the replacement?

You probably did not solder properly the adc jumpers.

Post good quality close up photos of both sides of the PCB.

ReplyQuote
Posted : 14/09/2023 11:54 pm
johan22102210
(@johan22102210)
Active Member Customer

I d'nt remember the voltage before .

IMG20230915070826
IMG20230915070826
IMG20230915070900
ReplyQuote
Topic starter Posted : 15/09/2023 6:47 am
torture
(@torture)
Member Moderator

As far as i can tell everything looks good.

PCB must be inspected under microscope or magnifying glass for damaged traces or components.

ReplyQuote
Posted : 15/09/2023 9:10 am
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