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Hello TFP community, I have newer control board (replaced 2 years ago) and am having troubles firing up the pool heater. I get the error "Sensor Failure" with nothing else to go on. * It is not a temperature issue as that is reading correctly (replaced about 4 times over 4 years). * I was...

Hello all, I have an aqualink controller and a raypak 336 pool heater. I had to replace the control board on the raypak and that went well. From the raypak, I can turn on the spa heat on or the pool heat on without issue. From the aqualink controller I can turn on the pool heat, but not the...