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[Solved] Problem unlocking Lenovo battery chip L18L3PF1 (045A20 LGC-LNV V12280000)

Aghababaei
(@aghababaei)
Reputable Member Customer
image
image

I balanced the cells and tried to fix the chip error but I got error 34.
It's been a while since the last battery balance and the cells have a slight voltage difference, I'll rebalance it and attach the image.

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Topic starter Posted : 17/03/2025 4:42 pm
torture
(@torture)
Member Moderator

Follow correct steps.

1. Inseal

2. Read chip Info

3. Clear errors

4. Read chip Info

 

Posted by: @aghababaei

It's been a while since the last battery balance and the cells have a slight voltage difference

If you have balanced the cells one already and they become unbalanced again without being used it means they are garbage and must be replaced.

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Posted : 17/03/2025 6:42 pm
Aghababaei
(@aghababaei)
Reputable Member Customer

@torture 

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Your instructions were followed step by step.
But the error still persists, what do you think could be the problem?

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Topic starter Posted : 17/03/2025 7:31 pm
torture
(@torture)
Member Moderator

Discharge the cells below 4.0v and balance them.

Check the fuse condition (post a picture).

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Posted : 17/03/2025 7:44 pm
Aghababaei
(@aghababaei)
Reputable Member Customer

@torture 

I will do it and send the pictures.

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Topic starter Posted : 18/03/2025 12:47 am
Aghababaei
(@aghababaei)
Reputable Member Customer

@djibattworkshop 

Hello
I will send it to you.
Thanks

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Topic starter Posted : 18/03/2025 12:48 am
Aghababaei
(@aghababaei)
Reputable Member Customer

@torture 

image
image

Hello, it was done, but the result is the same as before. The error is not cleared. I also tested the fuse and it is intact.

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Topic starter Posted : 18/03/2025 7:18 pm
DjiBattWorkshop
(@djibattworkshop)
Member Moderator

send eeprom to email 

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Posted : 18/03/2025 7:42 pm
Aghababaei
(@aghababaei)
Reputable Member Customer

@djibattworkshop 

Hi
I sent it to you in an email.

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Topic starter Posted : 18/03/2025 7:48 pm
Aghababaei
(@aghababaei)
Reputable Member Customer
image

Hello everyone
The problem is solved.
With the help of @djibattworkshop and replacing the file, the chip error was cleared.

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Topic starter Posted : 19/03/2025 8:27 am
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