Jandy Laars LT no power

May 5, 2016
30
CA
Hoping to get some help on our non-working Jandy Laars LT heater!

It has been working fine, no issues or signs of trouble; I even keep it (reasonably) clean. We last used it a couple days ago without issue.

Tonight, I turned on the filter and heater via the remote and noticed the water was still cool some hours later. Walked over to the heater and saw nothing doin -- no blower, no sounds, not even any lights on it. The remote still showed as the heater running. Weird.

I checked all the breakers -- all on. Turned 'em all off, waited 5 mins, then turned them on -- no dice.

I pulled the logic board and could not see any obvious burn marks or blown capacitors, etc, but I was using a flashlight so maybe I missed it.

I didn't have a multimeter at that time, but will have one tomorrow. Anything I should be testing for?
 
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