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Goodman gds80703axbc the burner keeps cycaling on and of mainly late at night no codes

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  • Don Berry May 11, 2010

    Which blower is cycling on and off. There are two. The main room air blower and a smaller blower that blows the exhaust up the flu.

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Sunpak heater? bad modual. 

Posted on Feb 09, 2009


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No Heat Goodman GDS80904BNA


If the hot surface ignitor comes on and fires the burners, and then shuts back down, you need to take a look at the flame sensor. It is a ceramic rod with a metal tip that rests in the pilot flame. When heated from burners, it sends a signal to the main control module, circuit board, which ever this unit is equipped with to keep the burners on. It is a safety to shut the burners down if there is a problem. Take some fine steel wool to clean the metal tip on this and this should take care of the problem. If this does not do it, then 99% of the time you have a faulty control board or module. It will have to be replaced.It is where this flame sensor connects.It will continue to drop out of the circuit, and the fan will start and run. You're T-stat is good or the Hot Surface ignitor would not glow. You will need to take as much info you can from the unit, Goodman and the control, all numbers with you.You can purchase this part at a appliance parts house, or air conditioning parts house. Please keep me informed, I would like to hear back from you. I hope this has given you some direction to follow.Good Luck,
Shastalaker7

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Pellet stove


i have a goodman furnace 1 yaer old and the burnner mainly late at night keeps cycaling on and of no codes present

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