How to fix a Dyson v6 v8 battery fault red flashing led diagnose fault and repair not charging

In this video we look at a Dyson v6 or v8 battery that shows the red flashing led and won't charge.
instead of just buying a new battery pack and swapping it out we see if we can repair the currant battery pack.
Taking apart a battery pack from a Dyson v6 or v8 dc59 and finding out why its flashing a red led and how to repair the battery pack.

get a new battery here be aware there are type a and b for most dyson models.
check out my other videos to see how to replace the battery and make sure you Order the correct one.

dyson v8 type A
https://amzn.to/38TDqCM

dyson v6 type A
https://amzn.to/3pFNLsz

dyson v7 type a
https://amzn.to/3pzyIRc

dc31 type A
https://amzn.to/3pILehA

v8 battery with screw driver and replacement filter
https://amzn.to/2MrLaUX

new charger
original dyson part
https://amzn.to/3hxEr7g

cheaper alternative
https://amzn.to/38P0ZwA
I don't get paid for my videos but do get paid on completed purchase from these links so if you want to help me out
please use these to purchase your items. thanks

I show you how to open the battery and I check all the batteries one by one to make sure none are faulty and need replacing. then I test everything else to discover the battery management board is faulty and I ordered another from Ali Express.
#dyson
#dysonvacuum

0:00 Introduction
0:01 Dyson battery red led flashing Strip down and diagnose for repair
0:07 This battery pack is flashing the red led 32 times. lets see if we can fix it.
0:13 torx screw needs removing
0:30 6 clips in total holding this together.
1:05 Just take your time with this step.
2:38 Remove this torx screw.
3:34 now you can see the 6 lithium iron batteries, theres are 18650 size and easy to get hold of.
4:17 The swatch is just pushed on plastic pegs
5:32 so now we look at the PCB charging board.
5:58 I cant see any obvious faults
6:30 Lets test it with the charger fitted now.
6:49 no red or blue lights with the charger fitted, looks to be a PCB fault.
7:43 Testing the outputs when charging there is voltage, when the led flashes.
7:57 there should be about 20volts on the outputs
10:50 Another charger to test one I know works.
12:08 Just trying it again but no luck.
12:42 These two match up.
12:48 And theses two
13:00 there is a fault with this board.
13:17 I try heating up the board hoping that the solder will reflow if theres a bad joint
13:54 but theres a varnish to waterproof the board and this burns.