Pentair Maximum Temp 400 – error code E05…occurs repeatedly after 8 mins…tried to hold down the pool button to reveal more info…after 20 secs nothing but E05…Service Heater light is lit…checked the wires – good condition…cleaned the contacts albeit they did not appear to need it…no change…pls advise…merely replace the sensor or…
Ask the Pool Guy Changed status to publish May 9, 2018
E05: E05 errors can be due to things like a sooted exchanger(fuel delivery, venting), scaled up exchanger (water side), or a low water flow.
Or you need to replace the Stack Flue Sensor
Ask the Pool Guy Changed status to publish May 9, 2018