BradBradley Posted January 23, 2022 Report Share Posted January 23, 2022 Total spa newbie here, any help much appreciated. Lights were working fine, then we noticed one of the lights was out - the light under the pillow. Then a little while later all lights went out at the same time. I do get low voltage (depending on color selection of course) at all 4 zones on the control board. Am I testing the problem correctly? I thought I’d post this to the pros before attempting to diagnose the bulbs themselves. If one led bulb/fixture goes bad, will ALL other lights go out? Doesn’t make sense to me, especially the time delay. Any help appreciated! Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted January 24, 2022 Report Share Posted January 24, 2022 I have never worked on one of these specifically, but most LED lighting systems use controllers and splitters. One shorted out bulb can take out the controller or fuse on the board if it has one. Quote Link to comment Share on other sites More sharing options...
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