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    Guy hanes's Avatar
    Guy hanes Posts: 1, Reputation: 1
    New Member

    Feb 8, 2015, 12:34 PM
    Rth2300/rth221 series
    Heat and cool have been working fine until this morning. Neither heat nor cool work. Also, ths fan only doesn't work. Have checked the breakers, filter, and changed the batteries. Nothing works.
    bitters's Avatar
    bitters Posts: 348, Reputation: 12
    Full Member

    Feb 8, 2015, 12:39 PM
    Check the fuse on the control board in the furnace.

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