cold joint

My three year old SWG is showing an error, “ Cold”, on the panel display. The SWG Cell has four wires coming out Temperature sensor side. I check the ohms for the blue and red wire and have 8700k ohms which sounds right for the temp. But what are the Orange and yellow wires going to and are they...

Hello all. I did a word search before posting and I think I’m in good shape (sorta) but wanted to confirm. concrete pool was shot last week. Noticed they forgot the step in the spa and the bubbler/led light in the sundeck looks low in my opinion. PB is on vacation, but want to be prepared for...