Questions & Answers for: pentair pool heater service light

pentair pool heater reads err, service light is on Check the transformer for 24 volts

...PENTAIR MASTERTEMP 400000 BTU NAT GAS UNIT, NEW ON NEW POOL. IT WONT LIGHT, THE PLUMBERS RAN 1 INCH LINE TO UNIT AND STEPPED IT DOWN TO 3/4 3 FEET FROM UNIT, THERE IS ALSO A 3/4 INCH REGULATOR, WHAT ...

...pool/heater on it starts to hum and the service light comes on and it never begins to heat. What can I do? millivolt heaters generate their own power from the flame on the pilot max is usualy 750 ...

...pentair lp 400 heater service light is on. How do I service it? Check the continuity accross the pressure switch, it il located on the right side above the header behind the panel with 2 or five ...

...Pentair minimax 250k electronic. Opened pool today and when I turned power on to the heater, it won't get through startup sequence. Dashed lines flash, then 888 and service light comes on. No ...

...pool company and they came to take a look. They recommended we replace our filter. Now with a new Pentair sand filter, new heater and a year old Pentair pump we still have the red LED "system ...

...pool heater or could there be something else wrong? I have a mastertemp 250; blower comes on pool light on, heating light flashes then goes out and service light comes on. I am not getting any error ...

Pentair 125 pool heater 128 r14 code . It starts up and will run for a few minutes then shut down and service heater light comes on and nothing will work on control panel, when I unplug and restart it

...pentair minimax plus heater had a damaged controller board due to it getting wet. I replaced with a new board. The heater is working now, but the service light stays illuminated. Any ideas what might ...