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

    Nov 17, 2013, 06:21 PM
    Infinity carrier outdoor unit communication fault
    My thermostats says outdoor unit communication fault. Outdoor unit control board has no led green or yellow lights. Outdoor unit has 240 vaults and the control board has 24 colts. Aux heat works but the heat pump doesn't. Any ideas? Could it be the thermostat?
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
    Ultra Member
    		  
    #2

    Nov 18, 2013, 06:22 PM
    Could be any number of causes. These Infinity systems are notorious for communication errors. If you Google Carrier Infinity communication errors, I'd wager you'd get lots of hits.
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