Questions & Answers for: sensor failure pool heater

...sensor failure. replace rollout switch, clean out vents, inspect heat exchanger. water sensor senses too cold or too hot water ROL - Roll out/Fusible Link sensor is 'Open Circuit' SNS - Temperature ...

...sensor failure code.Check the wiring on the sensor or might be a bad sensor. Here is the link for the heater manuals. This is a general code depending on Make and Model... SF-Temperature Sensor Input ...

SnS or maybe it's 5N5 shows up on my heater. It is a PR266A model. It will not heat up. What is the problem? This is only the 2nd season for this heater! water sensor failure

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

sensor failure started heater and displays sensor failure and will not utrn on bad water temp sensor replace

what is a high limit condition circuit board temp sensor failure light is on. heater will not light. temp sensor failure. when sensor read temps that are way too cold or way too hot

raypak 2100 temp sensor failure light is on heater will not light up. temp sensor failure light is lit up on circuit board (red light). replace temp sensor

...sensor failure. And HS is high limit sensor failure. Verify that you have water moving through your unit. Verify that you have it plumbed correctly. I have seen units plumbed backwards with similar ...

Sensor failure Sean shows sensor failure replace temp sensor

My heater is displaying a sensor failure message Will not heat pool or spa. It will display pool temperature Year, model, and size of the heater. What is the error message exactly?