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

    Jan 1, 2009, 11:47 AM
    Coleman Evcon Furnace
    We have a Coleman Evcon DLAS075BDD furnace which keeps displaying error codes: 1-Ignition Failure and 4-Limit cycling. We have replaced the circuit board. Inspected the ignitor and the flame sensor and both appear good. Also have taken the exhaust vent/hood off and vaccuumed out any rust to ensure it is clear. After performing these measures it still showing a 4-limit cylcing error. This error seems to be happening most often when it is windy. Do I need to extend or replace the vent cap? Very frustrated normally able to troubleshoot problems. Any suggestions would be helpful...
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jan 1, 2009, 01:42 PM
    Read the recall according to your posted model number.

    http://www.doacs.state.fl.us/standar...FOR%202004.pdf


    Gas Furnace Recall


    http://www.emcobc.ca/Menus/Document%...GAT_Notice.pdf

    This is a very dangerous situation. TURN off gas and electric to this unit. DO NOT attempt to repair yourself.
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