no display lights on pool heater

  1. A

    Heat pump - display won’t turn on after turning off power

    We have a 13 year old UltraTemp 120 heat pump (came with the house we moved to 4 years ago). It’s definitely on its last legs - had some problems with the fan not going on last year (low refrig alarm sometimes came on, but usually a manually push on the fan would get it going and stay on and...
  2. M

    Raypak Pool Heater Display Blank

    Hi. I have a Raypak pool heater Model P-R406A-EN-C. The display is not working. It is blank. The heater is about 5 years old. Any tips to get it working again. Thank you.
    • MWMaker
    • Thread
    • display heater no display lights on pool heater raypak screen
    • Replies: 1
    • Forum: Everything Else
  3. R

    No Panel Lights on Hayward H350FDN/P Pool Heater

    Yesterday I opened up my pool and started the heater. It brought the temperature from 68° F to 80°F last night. Today I checked the heater and there are on display lights on the panel. When I turn the power off then on again to the heater, still no display lights, but the blower kicks on for...
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