SWG Power Mystery

251LCT

Silver Supporter
Bronze Supporter
Mar 4, 2020
49
Newnan, GA
Hello,
I noticed yesterday that there were no lights showing on my IC60. I thought the worst. Bad cell (less than 2 yrs old), or something wrong in power center. The system was working a week ago. I tested the relay where the SWG is connected with the pump on. I got no voltage. I thought bad relay possibly. I traced the black jumper wire to another relay where the heater and boost pump is connected. I turned the heater on and the SWG powered on. When I turned the heater off, the SWG powered off and there was no voltage at the SWG relay connection. Same thing happened when the boost pump was turned on. The system has been working flawlessly for almost 2 years and I have changed nothing recently. What could be the reason the SWG is not receiving power when the filter pump turns on? Thanks.
 
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