SOURCE: Raypak gas pool heater with error code HL2
Do you have power to the heater?If you do then I would look for a hi limit switch to reset.It might be the pump you have to reset.
SOURCE: I get SNS Error on my Raypak Digital pool heater display . . .
refers to flame sensor in combustion chamber
SOURCE: raypak heater. fault cde says (ROL)
Thank you for posting your question here on Fixya.com.
Replacing the roll out switch is an easy do-it-yourself repair. Fixing the problem causing the roll out of the burner flames in the first place is a bit more of a pro job. Something is causing to much heat to roll out the the combustion chamber into the control area causing the switch to fail. You will continue to burn the link until the underlying problem is fixed.
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John
SOURCE: service code ROL
This indicates the flame roll out safety switch is bad. This part is usually mounted right above the burner tray. It is a white ceramic piece with two wiring terminals and an external part that looks like a resistor. This part detects flame/heat coming out from the burner tray. When replacing it, be sure to check for blockage at the burner tray, heat exchanger and the flue if vented with duct work. This is a critical safety device so do not bypass it.
SOURCE: "CLK" is being displayed on
CLK stands for Clock. Your heater thinks it is connected to a timeclock and the circuit is open. The connection is on the back of the circuit board, and a communication wire will continue on to your timeclock or controller. Close that circuit and it should fire.
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