Question about Goodman GMS90703BXA Heater
My goodman heater struggles to turn on and 7 flashing lights come witch indicate low flame signal,what does this mean and how do i fix it?
There is a small probe that is located inside the firebox and the flame from the burners will touch it. Typically it is located to either the far left or far right of the fire box if it is a vertical furnace. if the flame is not touching it or if it is taking the flame too long to travel across the burners (right to left or left to right) you will get this error code. Find the sensor and clean it with a small wire brush. Make sure what you think is the flame sensor is the flame sensor because the ignitor is very brittle and has two wires going to it. The flame sensor will have only one wire going to it. Also since you have the burner compartment open, inspect the flame spreader tray for blockage not allowing the flame to spread quickly. A can of air and the small wire brush will aide you in this cleaning.
Good luck to you!
Posted on Dec 05, 2008
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Posted on Jan 02, 2017
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