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Huawei HB4692J5ECW-31 battery locked

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craficrafi
(@craficrafi)
Active Member Customer

I have same problem like topic: 

“Huawei HB4692Z9ECW-41”. 

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59C78FF8 C8CA 4568 855B 5D728F2953D1
5088C9A4 ABA2 4492 8419 81A856C83A98
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Topic starter Posted : 26/10/2024 10:15 pm
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torture
(@torture)
Member Moderator
18668 59C78FF8 C8CA 4568 855B 5D728F2953D1

NLBA software has colored coded values to bring to users attention that something is wrong. You must solve these issues first. You must also familiarize yourself with basic knowledge about laptop batteries before attempting to repair them. Watch the instructional videos first.

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Posted : 26/10/2024 10:32 pm
craficrafi
(@craficrafi)
Active Member Customer

@torture I'm aware of this, but the battery needs to unlock

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Topic starter Posted : 26/10/2024 10:58 pm
craficrafi
(@craficrafi)
Active Member Customer

@torture this temperature is not true

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Topic starter Posted : 26/10/2024 10:59 pm
torture
(@torture)
Member Moderator

Battery can't be unlocked until the reasons for the lock are still present.

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Posted : 26/10/2024 11:00 pm
craficrafi
(@craficrafi)
Active Member Customer

@torture what the videos have you mean?

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Topic starter Posted : 26/10/2024 11:06 pm
torture
(@torture)
Member Moderator

https://www.laptopu.ro/community/forum-nlba1-laptop-battery-analyzer-and-repair-tool/video-tutorials/

 

 

Make sure you watch specially this one from beginning until the end

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Posted : 26/10/2024 11:17 pm
craficrafi
(@craficrafi)
Active Member Customer

@torture https://www.laptopu.ro/community/laptop-battery-chip-reset-and-repair/dell-t54fj-bq30420-battery-temperature-problem-272c/

 

I have already unlocked the batteries several times calmly, then changed the sensor or thermistor

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Topic starter Posted : 26/10/2024 11:35 pm
DjiBattWorkshop
(@djibattworkshop)
Member Moderator

 First replace the NTC sensor. Then precharge and balance the cells. Then you could unlock the chip. Reason of the fault should be rectified first. Otherwise chip will be locked repeatedly just after unlock. 

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Posted : 27/10/2024 1:22 am
craficrafi
(@craficrafi)
Active Member Customer

@djibattworkshop I replaced the ntc sensors but the temperature is still within 200 degrees for some reason. The balance no longer lights up orange. but the reset doesn't work. maybe there is also a T pin on the ground?

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348748A4 5075 418F 9312 023FE06EB02C
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Topic starter Posted : 27/10/2024 5:46 pm
craficrafi
(@craficrafi)
Active Member Customer

@djibattworkshop do you know what the sensor resistance have to be if it is good

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Topic starter Posted : 27/10/2024 6:26 pm
DjiBattWorkshop
(@djibattworkshop)
Member Moderator

refer NTC 10k specification 

https://www.tme.eu/Document/9d2eb9f3eda897a378e818dbe183c915/NTCM-10K-B3380.pdf   

 

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Posted : 27/10/2024 8:28 pm
DjiBattWorkshop
(@djibattworkshop)
Member Moderator
Posted by: @craficrafi

maybe there is also a T pin on the ground?

 Do you mean Thermistor or System Present pin ?.. 

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Posted : 27/10/2024 8:30 pm
DjiBattWorkshop
(@djibattworkshop)
Member Moderator
Posted by: @craficrafi

The balance no longer lights up orange

 but it is still too big. Battery could not be charged to full with such a big unbalance. Even chip to be unlocked. 

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Posted : 27/10/2024 8:34 pm
craficrafi
(@craficrafi)
Active Member Customer

@djibattworkshop i have changed two nyc sensonrs but not different at temperature (

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Topic starter Posted : 28/10/2024 8:23 am
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