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new build, lights really dim and there's a slight flicker?
Posted: Tue Aug 20, 2019 2:33 am
by wardo
Just got finished putting together a unit of four 50 watt crees with a hlg 185h c1400b driver following the build on here. the lights come on but are really dim. the potentiometer does nothing so i took it off but that didn't effect the brightness. strangely after it's unplugged the lights stay on at the same intensity for 6 or 7 seconds.
How it's wired up:
Re: new build, lights really dim and there's a slight flicker?
Posted: Tue Aug 20, 2019 2:42 am
by TEKNIK
Best to show how you wired it all up
Re: new build, lights really dim and there's a slight flicker?
Posted: Tue Aug 20, 2019 3:38 am
by wardo
added some pics to the original post
Re: new build, lights really dim and there's a slight flicker?
Posted: Tue Aug 20, 2019 4:13 am
by TEKNIK
Can you give the model number of the Cree led you used. You did these all in series right?
Re: new build, lights really dim and there's a slight flicker?
Posted: Wed Aug 21, 2019 1:16 am
by wardo
yes, serial. cxb 3590's
Re: new build, lights really dim and there's a slight flicker?
Posted: Wed Aug 21, 2019 2:13 am
by Shimbob
Have you double checked all the polarities? + to - among the cobs, and + to + and - to - to the driver
Re: new build, lights really dim and there's a slight flicker?
Posted: Wed Aug 21, 2019 4:37 am
by wardo
yep, brown is positive... i put a mark on the port of the cobb holder closest to the + sign. double checked too tho. if any of that was backward it just wouldnt have come on right?
Re: new build, lights really dim and there's a slight flicker?
Posted: Wed Aug 21, 2019 9:19 am
by TEKNIK
Are the dim wires touching at all?
Re: new build, lights really dim and there's a slight flicker?
Posted: Wed Aug 21, 2019 10:09 pm
by wardo
no... they're taped up. I think I'll just take the whole thing apart and put it back together again
Re: new build, lights really dim and there's a slight flicker?
Posted: Wed Aug 21, 2019 10:27 pm
by TEKNIK
I don't have time to check the data sheet but have you added up all the voltage totals for the cobs? Apart from a dodgy driver or dodgy wiring or connectors the only thing left is to ensure that the driver matches the LED's