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    bricarnes's Avatar
    bricarnes Posts: 1, Reputation: 1
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    #1

    Jan 5, 2014, 11:17 AM
    My honeywell chronotherm thermstat is not working.
    My thermostat is clicking, but the heat is not kicking on. The thermostat reads -AC where the temperature is.
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
    Ultra Member
    		  
    #2

    Jan 5, 2014, 03:44 PM
    You may not be getting 24 volts AC to the thermostat. Remove the thermostat & check for 24 volts between red & another wire. If you get 24 volts (+/-) install a jumper between red & white. If the furnace then comes on, the thermostat is bad.
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