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Dimmed to maximum. Fans off - Tj = 75C° after 1min working. Room temp 25C° Is this ok? If the fans some how stop will it make my cobs blow? :confused: Maybe I should throw another thread for this?

Thank you for all your help! Keep growing!

Well guys, after two hours of checking and reconnecting, the problem was solved! Hurray! After rechecking every cob I saw there was no problem with any connection, every wire tight well inside the push connectors, all polarities were good, so i tried removing one from the series. Same result...

Ok got ya, I have the + and - from driver's output connected with those screw type connectors but everything else is direct. Only the fan circuit has wagos but i'm going to shut it off in the input to have only the cobs working for the tests. I'm going to try taking off from the series one...

Can u see the black wires in this pic? One comes direct from driver + and go direct from cob to cob (- to +) till goes to driver -

Thank you all for your help guys! I'm gonna break some more neurons tonight... I'll post some feedback after.

And also for the input i have wagos but the cobs have direct connections with 0.8mm2 solid wire

Those are all for the fans. The cobs are going straight from driver till driver.

Cheers m8! Already opened each cob case and connections are fine... polarities too. Gonna try that method. But what should be the problem..? Hope every chip is ok... but if that was the case it should work... :(

Thank you very much for your help! I thought so... Tell me, can I do that job without the need of dimming the driver? In support they said yes because the driver ajusts the voltage automatically, is this right?

Hello fellow gardeners Been gardening for some years under hps but a few months ago decided to finally gather some €'s and switch to led :) thumbs up! Well, i searched a lot before, and now i have a 200w diy cob panel, made at home with only good materials. The cob's are four Vero 29 SE...