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    80combatboots's Avatar
    80combatboots Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 25, 2014, 05:08 PM
    Bryant 80% furance
    With t-stat in heat mode and temp turned up the furnace blower comes on//I no draft motor should come on first then hot surface Ignitor,then burners and then fan blower//tested transformer//circuit boards has 120 feeding out to transformer//and 24 volt to circuit board.but when testing power out from circuit board to ignitor and draft motor at plug in it shows nothing.I have lost my memory I had been a hvac repairman.. and cant remember the test sequence to save my live... still have my service tools and trying to help my son fix his furnace please help and I do have 24 volt between r/w at circuit board making a call for heat last time I repaired a problem like this it was a bad ignitor.. any help... please
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Oct 25, 2014, 06:28 PM
    So are you saying that the blower fan comes on before any ignitionand the stat is set for AUTO?
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