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    ademort Posts: 1, Reputation: 1
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    Oct 21, 2012, 10:17 AM
    Honeywell basic start modulation thermostat fc system fault
    I have the above mentioned honeywell thermostat in my living room and it's now flashing constantly, but showing the room teperature. When I touch the thermostat it immediately starts flashing with FC. What does this mean.

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