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Carrier Weathermaker 8000 - furnace does not ignite

My heating system will run perfectly for about 24 hours, then suddenly the furnace will no longer ignite and the system will just continue to blow cold air. The LED light flashes one long and 3 short flashes (I don't have the codes), and the only way to get it working again is a reset (shut off the power to the system). Any ideas? Thanks

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  • psingh2000 Jan 13, 2009

    I have the same since last two days

  • Anonymous Jan 22, 2009

    I have the same problem, changed the thermostat and cleaned the inside of the furnace (it was dusty in there) now I am going to change the heat sensor.

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Having a problem with a weather maker 8000. It will not come on at all unless I shut down the switch on the side of the furnace. filters is clean. it will start to light then stop

Posted on Dec 20, 2008

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