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    bja5174's Avatar
    bja5174 Posts: 1, Reputation: 1
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    #1

    Nov 17, 2007, 11:16 PM
    Blower came on for a few seconds then shut off
    I have a central Air and heat system. The I turned the heat on and the blower came on for a few seconds then shut off. It came on again for a few seconds and shut off and is not turning on at all. I am guessing it is the fan limit switch. It's a Honeywell switch. How can I troubleshoot this problem?
    Thanks
    Brian
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Nov 18, 2007, 07:38 AM
    Place each probe of a multimeter on each limit terminal, and set for voltage. Should read
    Zero volts while motor running. If limit switch opens up, you will see voltage.
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