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    kellie0918's Avatar
    kellie0918 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 27, 2007, 01:42 PM
    Coleman Gas Furnace and Attic Fan
    I have a Coleman furnace that decided to start having the alarm go off on me...

    My brother and I were looking at it, and according to the 'single blink' it has something to do with the attic fan. I have no idea what to do... and I really don't have the money to have someone come in and fix it. Anyone have any ideas??

    This is what I found when I researched it...

    Item B has both a green and red light but this is not a diagnostic code for the furnace. This box is labeled blend-air and it's function is to bring in fresh air. If there's a problem with the blend-air unit, a red light will flash and you may hear a beep. Generally if you do hear this unit beeping or see the red light flashing, it's not a life-threatening warning and you will be OK to run your furnace until you can get it repaired. The unit should have a switch to shut off the beeper so it doesn't drive you nuts.
    If your furnace is still under warranty, you'll want to get the blend-air (also called Fresh Air Fan) unit fixed as soon as possible or your warranty could be voided.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Nov 27, 2007, 02:36 PM
    Yes the fresh air blend air fan or circuit board is defective. It is a necessary part to operate your furnace in a mobile home that you have.
    juggallojed's Avatar
    juggallojed Posts: 165, Reputation: 10
    Junior Member
    		  
    #3

    Nov 27, 2007, 07:38 PM
    Damper not opening when heat is called by the t-stat? Check the end switch on the damper for proper allignment.

    This damper can be left braced open , and still have safe furnace operation
    William88's Avatar
    William88 Posts: 2, Reputation: 1
    New Member
    		  
    #4

    Aug 29, 2011, 03:38 PM
    I put a new Attic fan in , But I don't Knowhow to reset the beeping Alarm?? PLEASE HELP
    armando1981's Avatar
    armando1981 Posts: 1, Reputation: 1
    New Member
    		  
    #5

    Oct 1, 2011, 03:17 PM
    You have to replace the attic motor wich is on the roof
    rays924's Avatar
    rays924 Posts: 1, Reputation: 1
    New Member
    		  
    #6

    Sep 15, 2012, 11:45 PM
    Does anyone know where to purchase a fan motor?
    caibuadday's Avatar
    caibuadday Posts: 460, Reputation: 10
    Full Member
    		  
    #7

    Sep 16, 2012, 06:14 PM
    Quote Originally Posted by rays924 View Post
    does anyone know where to purchase a fan motor?
    Fan for what ac/ ceiling fan/ bath fan / kitchen exhaust/ frig fan ? You get better respond when you start your own post.
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