Stumped

bk78

Well-Known Member
So I switched my boards back on the heat sinks as I had them mixed with 4K/3k and now only a single board will work at a time. I’ve tried every configuration possible but they both won’t fire at once for some reason?

any thoughts as to why?

CBD54046-379D-4BCD-9802-31391DAC0104.jpegB47BF62C-2DD4-4D3B-AEBD-981C69772EF2.jpeg8FA30FF9-47C0-4134-BD04-CE755AD7D9FB.jpeg2C18500D-29D6-458A-A720-1D2762AC4092.jpeg9F61334B-35EE-491B-ACFD-70A4132070C9.jpeg78F8E824-395C-4DBE-90B9-8B24AF43156C.jpeg
 
are you wiring it up the same way it was before? is the wire your using between the 2 boards fresh? Maybe they are bad wires?
 
Solid wires tend to break more often than stranded. Sounds like a connection issue somewhere.

Like Charlie mentioned, check resistance

Never knew this. I’ve tried all 4 pieces of solid wire I have on hand and nothing works.
 
It can't be a broken solder joint on a board if each one will illuminate still, so that takes care of that. So it has to be from the wires somehow
 
It can't be a broken solder joint on a board if each one will illuminate still, so that takes care of that. So it has to be from the wires somehow


I tried every possible configuration before making this post. As seen in the pictures.
 
Honestly I would rewire the whole thing and go from there. If you've already do e that and said so previously, apologies . Good luck, youll get it, just keep plugging ☮✌
 
Series:

painted.png

Series connection is only 1 jumper attached between the boards, not 2. I'm not sure what boards or configuration that you are running that's why I wondered if series or parallel was the goal.

My HLG kits run as series circuits
 
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