hls

1. Heater turning off gas every 60 sec. HLS light was on. Checked the thermostat and it was trashed, wouldn't open. 2. Got a new thermostat, but it's not opening until water temp is 145F. OK note to self, don't use cheap knockoff themostat from Amazon. Will order another. 3. Shorted the HLS...

Hi, My Pentair Mastertemp 400 goes through its electronic startup routine and then reports a HLS error (and service heater led). My water is circulating normally, my chlorine generator is saying that it is working but the heater stops as quickly as it starts without lighting or blowing. I...

Hi, I'm receiving a hi limit 1 error after the water temperature hits about 95 degrees F. The unit door gets pretty warm to the touch. I recently replaced the unitherm governer but not the bypass. I believe the hi limit is working properly considering the unit itself is becoming warm...