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    paul hertkorn's Avatar
    paul hertkorn Posts: 1, Reputation: 1
    New Member
    		  
    #1

    May 19, 2008, 08:36 PM
    Totalline thermastat is locked
    I have a totalline thermastat. Model p4740100. It is frozen on one setting and will not respond . The A\C still works but I cannot change setting and is programed on one setting not the 4 setting available.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    May 20, 2008, 03:09 AM
    Turn off power.
    Remove batteries if so equipped.
    Wait 5 minutes
    Replace batteries with new ones if so equipped.
    Turn on power.
    If this solves the problem OK
    If this does not solve the problem replace the thermostat.
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