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garrygoeson
garrygoeson, Home Appliance Technician
Category: Pool and Spa
Satisfied Customers: 469
Experience:  Over 27 years Repairing Pool & Spa Equipment,Gas Heaters,& Whirlpool Bath Tubs. Certified by many Pool & Spa Manufacturers.
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My master temp 400 pool heater is not firing and just

Customer Question

Customer: my master temp 400 pool heater is not firing and just displays the red led light on service heater. When I turn it on it displays r13 It won't even attempt to start. I cut the power to it over night hoping to clear whatever the electrical code was, but it still won't even start
JA: Thanks. Can you give me any more details about your issue?
Customer: I am glancing down the thread at the individual who posted the same problem.
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Customer: possible. it is late, 1:24 am my time and I'm not sure how long I can stay awake.
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Submitted: 1 year ago.
Category: Pool and Spa
Expert:  garrygoeson replied 1 year ago.

Hi:

My name is Garry. I'll be glad to assist you with your heater.

Expert:  garrygoeson replied 1 year ago.

The "r13" you are seeing in the display is NOT a fault code. It is a revision number that will always come on when the heater is first powered on. On the back side of the Control Board there is a series of red diagnostic LED's. Please tell me if any of them come on and stay on, and if so, what are the letters next to the one(s) on? I also need to know if the Air Blower comes on when you power the heater on?

Please post your findings here, and we can then continue. Thank you.