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    greg33's Avatar
    greg33 Posts: 1, Reputation: 1
    New Member
     
    #1

    Dec 17, 2010, 09:03 AM
    I have a lennox whisper heat G20Q3/4E-100-7. Shutting off when reaching temp
    It will run till it is at the set temp then it shuts down and has to be turned to the off position before being turned on again or it will not go. Im told this is a lock out what are possible issues
    Dennis1523's Avatar
    Dennis1523 Posts: 54, Reputation: 2
    Junior Member
     
    #2

    Dec 18, 2010, 12:30 AM
    Replace the ckt board.

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