Hayward 250fdn Low Nox Nat Gas Swimming Pool Heater () "spa heater error code" Questions

haywood pool heater H series error code 5f error code 5F error code is SF. temp sensor failure

...spa heater. It comes on and then shuts off in about a minute with an error code appearing in the readout. The error code is E05. What does this mean? The heater is trying to light but cannot. Either ...

r9 error code I checked there was no illuminated LEDs I checked there was no illuminated LEDs After I press heater on it starts showing 52 (celcius) its not an error code

...spa on but the temp reads 126 and the water temp is only about 68 so the heater never comes on. This is not an error code. 128 r13 is the normal programming or software version for your model. you ...

...heater has been off all summer and upon trying to ignite it , the digital display reads 'AC" indicating that the prover switch is closed when expected open error....what do i do? Thank ...

c3 error code C3 Error Code/Message on What? Spa, heater, pool automation? What?

error 180 / r 9 not an error code! part of the start up sequence

I have a error code coming up on model # H400FDP need more ifo on error code check on hayward web site