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    theodoreent's Avatar
    theodoreent Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Feb 8, 2009, 06:20 PM
    Test voltage of white rodgers flame sensor & 50e47-174 modual
    I have modual shut down of a w-r 50e47-174 modual I cleaned the flame sensor & it works about 2 days to a week before failing. After turning the power off & back on the unit works fine for a short time. How do you test the flame sensor & what volt output Thanks Theo
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
    		  
    #2

    Feb 8, 2009, 06:51 PM
    Its all in millivolts. Make sure your gas valve and ignition control has a good ground.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #3

    Feb 8, 2009, 09:25 PM
    LOOK here

    http://www.white-rodgers.com/wrdhom/...pg0278_281.pdf
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