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    Alfred Ament's Avatar
    Alfred Ament Posts: 19, Reputation: 1
    New Member
    		  
    #1

    May 30, 2008, 06:25 PM
    How to test furnace control module
    How to you test the Honeywell S8610U3009 furnace module and circuit board with the meter !
    Gas company claims the control module or circuit board could be at fault due late ignition !(5 minutes )

    Module will cost $96.10 to replace and are not returnable!?

    Al
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    May 30, 2008, 10:04 PM
    Honeywell used to offer a tester but it cost big bucks. Before replacing check the flame sensor if so equipped. Clean with sand paper and try to see if that helps.
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
    		  
    #3

    May 30, 2008, 10:14 PM
    The glue from the sand paper may coat the flame sensor and make it worse use a knife or steel wool to clean or scrape it with.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    May 30, 2008, 10:26 PM
    The black style sand paper works well. But steel wool is better and copper wool is best.
    Alfred Ament's Avatar
    Alfred Ament Posts: 19, Reputation: 1
    New Member
    		  
    #5

    May 31, 2008, 03:09 PM
    Thanks
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