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    nitsuj's Avatar
    nitsuj Posts: 2, Reputation: 1
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    #1

    Feb 13, 2010, 03:42 PM
    Trane xb80 troubleshooting
    My trane xb80 gas furnace won't ignite. The glow plug lights up when it tries to come on but it doesn't appear to get any gas at all.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Feb 13, 2010, 04:17 PM
    Try the cheap solution first. Clean the flame sensor with fine sand paper or steel wool.
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    nitsuj's Avatar
    nitsuj Posts: 2, Reputation: 1
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    #3

    Feb 13, 2010, 05:01 PM
    Cleaned that off and still does the same thing
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
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    #4

    Feb 13, 2010, 05:58 PM
    Quote Originally Posted by nitsuj View Post
    My trane xb80 gas furnace wont ignite. The glow plug lights up when it trys to come on but it doesn't appear to get any gas at all.

    Check for 24 volts at the gas valve during the start of the cycle till it does not light. If voltage present gas valve defective. If voltage not present I would suspect the board.
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