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    mac585's Avatar
    mac585 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Jan 6, 2010, 09:11 PM
    Amana Furnace - High Efficiency won't stay lit
    We have an Amana furnace, model guc115c5oc, which does not stay lit. The unit will ignite, and then you hear several clicks ( which seem to be caused by the flame sensor for the rollback feature), and then the flame will turn off. It will try this about three times, and then the flame will shut off - and the unit blows cold air. We have replaced the rollback sensor, the flame sensor, an internal temperature sensor, and the unit has been cleaned. Any ideas? We are wondering about the gas pressure going into the unit, as it is not just a blue flame, but has quite a bit of yellow that shows up.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jan 7, 2010, 01:33 AM
    Checl and set gas pressure using the proper tool to the listing on the furnace label.
    mac585's Avatar
    mac585 Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Jan 7, 2010, 11:12 AM
    Thanks HVAC - we will try this!
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Jan 7, 2010, 11:13 AM
    I hope that is your problem since it is a simple cure.
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