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  1. #1
    I have a Rheem gas furnace model #RGDE-07ELAES, I'am having a problem with my furnace fan running all the time. I ruled out the thermostat by disconnecting it. I replaced the control circuit board, same problem. This furnace has a hot surface ignitor and uses a Honeywell S8910U control. I ran the furnace through the heat cycle and it works fine. The green LED is flashing two times, indicating the flame signal is weak. This unit has no flame sensor and must be using the ignitor to sense the flame. Could this cause the fan to run all the time?

  2. #2
    correct me if im wrong ....... somebody!but i beleive if there is a problem with flame sensor or any other safty the fan will run continues to let you know there s problem.

  3. #3
    Join Date
    Sep 2004
    Your better off getting a Rheem dealer to come out & diagnose it for you. He'll have it diagnosed in a few minutes & wont cost you that much money. It'll save you a lot of frustration trying to do it yourself. Good Luck with it.
    Life is like a jar of jalapenos. What you do today might burn your ass tomorrow.

  4. #4
    Join Date
    Feb 2004
    chicago suburbs
    call for service.... or i guess you could just keep replacing parts. sooner or later you will get the right one.

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