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    rainforestosc's Avatar
    rainforestosc Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Sep 15, 2007, 11:58 AM
    Heating and air conditioning
    My furnace and a/c both turn on but there is no display on the thermostat. I have no meter to check that there is 24 volts. What is causing this? I read it may be a safety thing and that there could be a dirty filter or something. Can I fix this myself?
    acetc's Avatar
    acetc Posts: 1,004, Reputation: 79
    Ultra Member
    		  
    #2

    Sep 15, 2007, 04:17 PM
    You can turn on the a/c but have no display? If this is the case then you probably have a bad thermostat.
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