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    rehanna86's Avatar
    rehanna86 Posts: 1, Reputation: 1
    New Member

    Nov 20, 2006, 03:49 PM
    Honeywell thermostat model #t8411r
    Our system controls both the central air and heat in our home (which is a rental). Yesteday I noticed that after I had switched on the heat that the thermostat was no longer working. We have checked all the breakers and examined the circuit board, however, I am still in a quandry if this is a battery issue or if I should just call the rental management office back and have them send their professional ttech. Team over. The house is single family and only 4 years old and the a/c worked fine all summer. Any insight?
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
    Ultra Member

    Nov 20, 2006, 03:51 PM
    I would try changing the batteries

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