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    BOB KOZUSKO's Avatar
    BOB KOZUSKO Posts: 1, Reputation: 1
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    #1

    Dec 25, 2007, 04:50 PM
    :cool: hi,out there.bob,here in cheyenne,Wyoming.it's christmas day and we have no heat.we have a rheem criterion 2 gas furnace it doesn't have a pilot light .the furnace turns on and the fan blows,but only blows cold air even with thermostat set on heat.can someone out there help us?thanks MERRY CHRISTMAS and GOD BLESS bob kozusko at
    [email protected]:cool:
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
    Ultra Member
    		  
    #2

    Dec 26, 2007, 03:33 PM
    See circuit board for a code flashing from a green LED. Open the blower door so you can see the PC board. Push the safety door switch and wait for the middle LED to start flashing a repeating code. On the blower door there is a flow chart of operation and a key to the code. Hope this helps.
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