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I have a Raypack pool heater model number P-M406A-EN-X, that gives me a CFH then a SPK message. Sometimes I hear a clicking sound. Someone came to look at it yesterday and mentioned a wire to the spark plug being loose. I have to assume it's the same problem, however, I can't seem to do anything to the wire to fix the issue.

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Have you tried using a fine emory cloth to clean the ignition wire terminal? Sometimes oxidation builds up on them, and they play heck making contact. CFH is call for heat, and SPK is spark. Clean or replace the ignition wire good and see what happens. The clicking sound is probably the electronic ignition trying to spark.
Looked on the net, but couldn't find these codes, and noone reported any problems. It could be a temperature sensor- that is the cheapest thing to try first. If that doesn't fix it, it could be a faulty ignition unit.
Here is a good web blog of these systems, and may assist you:
Good luck, thanks for using FixYa, and hope this helps.
Good luck, hope this helps, and thanks for using FixYa.

Posted on Sep 05, 2010

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Posted on Jan 02, 2017

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