My name is Steve. First post to this board hoping I would get some guidance.
I have an LED Pool light that has gone bad after about 2 years of sporadic use. The manufacturer claims 50K hours life on the LED's but reviews all over the internet say you are lucky to get 3 years out of these things. And of course as with everything to do with pools a replacement is upwards of $900.00US. I am in the automotive field and regularly send out ABS and other modules for repair of board components so I figured someone must have started a business saving people $900 every few years. To my surprise the only reference I found to one was in Australlia. So I am on here trying to see if this is something I can fix myself. My previous experience is repairing my Flat screen TV power supply with about 5 new capacitors and that sucker is still going strong 5 years later! Hoping this light is as easy! Hope, Hope.
Condition: When 120 Volts is applied to the board the LED's sort of Pulse/cycle. Now when working properly and not paired up to it's controller I think the LED's slowly cycle tough the different colors until the controller (communicates through radio frequency I assume) pics a color to display. What I have noticed is none of the Red LED's are working, just Blue and Green and those Pulse a you can see in the video below.
Anyway here are some details
Manufacturer of Light: Jandy / Zodiac
Part Number: Entire unit: CPHVLEDS150 PCB Assembly: R0474100
PCB Manufacturer: ColorKenetics.com PCB ID: PCB-000364-00 Rev 04
Here is a video of what happens with I give it power:
I tried re-soldering one of the capacitors and it was very difficult. There seems to be a layer of film over the entire board. I would guess this is some sort of water repellent. Is it possible to repair boards with such a coating? Or is it a one use sort of deal? The PCB is in a sealed Enclosure and was dry when i removed it so i am guessing if there is a film it's just there for a precaution as this is installed under water.
Should I try to get the red LED's working first? Could that be he cause of the pulsing if one whole leg of LED's is out?
Thanks for any suggestions!
***how are you testing the light disconnected from the box?***