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    konglucid's Avatar
    konglucid Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Jun 11, 2007, 12:58 PM
    AC or Heat does not work when switching to AC or Heat
    I have a programmable thermostate installed a year ago and it has been working since until a few days ago. Both AC and Heat don't work , I don't hear any kicking. I did a reset on the thermostate did not make any difference. The fan is on Auto. Now I am interested in knowing if it is the thermostate or not. Thank you.


    Kong
    hvacservicetech_07's Avatar
    hvacservicetech_07 Posts: 1,083, Reputation: 75
    Ultra Member
    		  
    #2

    Jun 11, 2007, 02:23 PM
    Will the indoor fan start if you switch the thermostat to the fan "ON" position?
    konglucid's Avatar
    konglucid Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Jun 11, 2007, 03:23 PM
    I did that already , switched fan on ON position, the inside fan did not kick in as well. What else can I do to isolate further please advise.
    esquire1's Avatar
    esquire1 Posts: 2,483, Reputation: 209
    Ultra Member
    		  
    #4

    Jun 11, 2007, 03:28 PM
    Check power at inside unit. Make sure it's on. If so check low voltage side of transformer. Is there 24v, or you can check for 34v at thermostat
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