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    lasan's Avatar
    lasan Posts: 13, Reputation: 1
    New Member
    		  
    #1

    Dec 8, 2009, 09:42 PM
    Furnace
    My furnace Carries model 58 pav ,run on and off every 10 minutes,anybody know what is wrong with it please help?thanks
    hvacservicetech_07's Avatar
    hvacservicetech_07 Posts: 1,083, Reputation: 75
    Ultra Member
    		  
    #2

    Dec 8, 2009, 10:08 PM

    Dirty filter,windows open,bad thermostat,ghost turning thermostat up and down?
    lasan's Avatar
    lasan Posts: 13, Reputation: 1
    New Member
    		  
    #3

    Dec 9, 2009, 10:50 AM
    Hi,thanks for help.Anyway,I just change a new thermostat and filter I used the one (wash off a dirty and reused it... I forgot what is it call for but I wash it at this summer)but I do not understand what you said : windows open (windows in the house?) and ghost turning thermostat up and down?Any chance that wrong because of A FLAME SENSOR?THANKS
    letmetellu's Avatar
    letmetellu Posts: 3,151, Reputation: 317
    Ultra Member
    		  
    #4

    Dec 9, 2009, 01:25 PM

    Unscrew the screw that holds the flame sensor in place and take the sensor out and clean the metal wire part with a piece of sand paper and replace. It may work better.
    lasan's Avatar
    lasan Posts: 13, Reputation: 1
    New Member
    		  
    #5

    Dec 9, 2009, 05:31 PM
    I did it already,I'm thinking to change a new one(flame sensor).Before I change it just want to make sure I do a right thing.Thanks
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
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    #6

    Dec 9, 2009, 08:21 PM
    Is there a status light on the furnace? If so, it will lead to the problem.
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    lasan's Avatar
    lasan Posts: 13, Reputation: 1
    New Member
    		  
    #7

    Dec 10, 2009, 11:19 AM
    A red light just stay on red all the time ,it does not blinking at all.thanks
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
    Ultra Member
    		  
    #8

    Dec 10, 2009, 03:08 PM

    Sounds like the thermostat may be the problem. The status light should blink if the furnace malfunctions.
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