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    jrp18's Avatar
    jrp18 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 5, 2009, 07:26 AM
    Limit circuit open
    I have an intertherm gas furnace with a limit circuit open alarm. What can I do/check to clear this alarm?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Nov 5, 2009, 11:29 AM
    The limit opened because there is a problem with your furnace. Locate wiring diagram on your furnace then locate limit then test with meter. Sometimes the limit will have a reset button in the middle to push to reset
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