Why does my Raypak pool heater keep shutting off?

If your pool heater keeps turning off and on, check to see if the water flow light on the display is lit up. If your unit doesn’t have this light, then walk over to your filter pump and check the pressure. A few areas to clean & check for blockage include: Your filter.

Why does my pool heater keep shutting off?

The most common cause of a heater that cycles on and off could be inadequate water flow to a dirty filter or closed valve. (See information on How to Backwash a DE Filter or Clean a Cartridge Filter).

Why won’t my pool heater fire up?

Check the Filter The most common cause of swimming pool heaters refusing to start up is a dirty swimming pool filter. A dirty filter or pump basket can restrict the water flow so much that the heater simply can’t work.

What does SPK mean on pool heater?

SPK means that the heaters safeties are all closed. You have to change the set point above the water temperature in the pool or spa so the heater will light the pilot and prove that it is lit.

Why is my Raypak pool heater making noise?

A Dirty System A common noise made by a swimming pool heater is grinding or grating. You may have an obstruction caused by debris. Debris can prevent water or gas from flowing through the heater. You should start your troubleshooting with a manual flush of your system.

Can a pool heater overheat?

All pool heaters have high limit switches to avoid overheating. A faulty upper limit switch could shut off the heater, or the issue could be that the heater is genuinely overheating, perhaps from improper exhaust out of the top of the heater.

What is the average life of a pool heater?

6 to 12 years
Pool heaters have an average life expectancy of 6 to 12 years. But if you use them properly, keep them well-maintained, and make sure that the pool has balanced water chemistry, you can help them last longer than expected.

How do I reset my pool heater?

Reset the circuit breaker for the pool heater. Put the system in standby using the control panel (typically accomplished by pressing and holding the Up & Down buttons) Check for an error code (if you see a code like bD or HF this could indicate a gas problem and your system will not reset until the problem is resolved)

How long should pool heaters last?

What does SPK mean on a Raypak pool heater?

SPK is a status code meaning spark ignition mode. If you are not hearing a spark then it could be the igniter or the control board. If you are hearing the spark and smell gas I would suspect that the burner near the igniter is clogged and not allowing gas to get to the spark.

Why is my pool heater making a whining sound?

Check your gas pressure—low pressure can cause noise in the burners. You also may have a clogged burner orifice. Partial clogs there can cause whistling as well. You can remedy an orifice clog by cleaning it out with a piece of wire or even a paper clip.

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