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I have a Raypak R407a with an error code "FAN", what does it mean?

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Fan motor

Posted on Apr 27, 2016


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Posted on Jan 02, 2017

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SOURCE: raypak pool heater ser.#0606211992.

indicates false flame sensing check for flame rectification not touching ground like a piece of metal dirt or has been bend on the past

Posted on Aug 31, 2009

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SOURCE: raypak heater. fault cde says (ROL)

Thank you for posting your question here on

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.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!


Posted on Jun 01, 2010

  • 990 Answers

SOURCE: my raypak heater has error

This is in the limit string. This is the string of safty switches in the heater. (thermostat, highlimits, rollout switch and pressure switch) The pressure switch is the most common problem. If the water flow get's to be too little so the water inside the heater is going to overheat than this will shut the heater down. This can be caused if your heater by-pass is to far open and letting water go by the heater. The most common problem is clogged baskets or a dirty filter. Other than this you can follow the flow chart in your manuel to find the source of the problem but if it just started without obvious cause this would be my bet.
I hope this helped and good luck.

Posted on Aug 31, 2010

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I have iginition failure, no pilot sense

if you have proper gas pressure to the unit check to see if voltage to ignitor or if glowing that is ok then check to see if voltage to both sides of the pressure switch if not check to see if pressure switch wires are tight then check to see if the copper tube going to it is plugged if not check the high limits to see if corroded if voltage to gas valve and it doesnt open bad gas valve

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I have a 399k btu raypak and it will not fire. The ignitor just clicks and it's coding SPK, never gets any further in it's cycle.

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1 Answer

Raypak pool heater - error code is "FAN"

In models older than 07-07 it typically indicates a loss of the pilot light.
In models newer than 07-07 it is probably the air switch not being activated, or it has just failed. Check air switch tubing for secure connections.

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I have a raypak 2100 heater and it display a PLT code what can i do to fix it it tray to start but shoot down rigth a way

The "PLT" error code means pilot failure. The lack of spark may or may not mean an ignitor problem.

The "PLT" code could come up because the main valve in the heater was in the "off" position. No gas = no pilot.Also check clogged pilot-burner orifices. The lack of spark can also have to do with water flow issues (dirty filter, clogged basket, etc.), or it may be a problem with the electronics of the heater.

After checking the above, a service call by an authorized tech may be necessary.

You can also call Raypak at (805) 278-5300 for Customer Service

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Raypak pool heater ser.#0606211992. mod.#C-R407A-EN-C getting the FFL code off to start falme?

indicates false flame sensing check for flame rectification not touching ground like a piece of metal dirt or has been bend on the past

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