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    chesterg's Avatar
    chesterg Posts: 1, Reputation: 1
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    #1

    Jan 23, 2012, 07:10 PM
    What sensor should be replaced to resolve too short cycle?
    I have a Ruud furnace - model UGDG-12EARJR. Full heating cycle is too short. The furnace goes on, but it shuts off before it reaches temperature set by thermostat. After about one minute it comes back on and stays on until it reaches the temperature set by the thermostat.
    SeattlePioneer's Avatar
    SeattlePioneer Posts: 97, Reputation: 9
    Junior Member
    		  
    #2

    Jan 24, 2012, 04:42 AM
    Does the fan continue to run?


    Are you observing the burners turning on, the fan starting and continuing to run, the burners shutting off for a period, lighting again while the fan remains on, and continuing to cycle like that?
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