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    mark41's Avatar
    mark41 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 4, 2008, 09:52 AM
    Tempstar5000 airconditioner won't kick on
    Our outside unit won't kick on the furnace works the fan on the furnace works all the fuses are good is there a fuse in the furnace for the outside air unit? It like there is no connection to the unit we turn the thermastat to cool the fans turn on for the furnace but the out side unit does nothing!p lease help
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jun 4, 2008, 10:39 AM
    Check to see if the two wires that go to the outside A/C unit have 24 volts across them. If they do then the problem is in your outside unit. If not then the relay or other operating device in the furnace is defective.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #3

    Jun 4, 2008, 06:21 PM
    You checked the fuses to the furnace,, didn`t say if you checked the seporate fuses or breakers to the a/c unit,sometimes a double pole breaker looks OK, but is not,, turn it completely off and then back on, worth a look see
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