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bms displaying 0V for 4th battery when 4 battery cells are connected

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bms displaying 0V for 4th battery when 4 battery cells are connected

‎06-03-2023 08:21 AM
1,026 Views
suvasis
Contributor I

hi,

I bought RDDRONE-BMS772 recently. Connected 4 cells, 3 cells display correct voltage but the 4th cell is displays 0v. Pls ref the images, can anyone point me to what else to do to correct this?

BMS display show cell 4 is 0V yellowBMS display show cell 4 is 0V yellow4th cell reading is good from here, 3.6V4th cell reading is good from here, 3.6V

 

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4 Replies

‎06-11-2023 05:10 PM
791 Views
suvasis
Contributor I

the reply helped.

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‎06-04-2023 05:26 PM
896 Views
guoweisun
NXP TechSupport
NXP TechSupport

You can try to use 6s in this system to test again.

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‎06-06-2023 12:38 AM
866 Views
suvasis
Contributor I

1.The default is 3 and it is not auto detect..

2. they are working after I set the number of cells to 6.

Now it looks ok after the number of cells are set to 6.

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‎06-03-2023 08:24 AM
1,024 Views
suvasis
Contributor I

also attaching the configurations:

 

Screen Shot 2023-06-02 at 1.36.16 PM.pngScreen Shot 2023-06-02 at 1.36.22 PM.pngcell 3 reading is 3.6V and bms display also shows 3.6Vcell 3 reading is 3.6V and bms display also shows 3.6V

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