Question about Goodman GMS90703BXA Heater
We had the classic bad or dirty flame sensor (thermocoupler) problem where the furnace would short cycle until the sensor warmed up. Usually after 4 or 5 trys. We cleaned the flame sensor with no improvement so we bought a new sensor. The problem went away for 1 week. Now the trouble is back.
I take it this is a forced air heater,if so, ther is a relay and thermal switchs involved plus possible a sail switch in the fan housing, check circuits, oil fan motor bearings
Posted on Jan 31, 2010
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Posted on Jan 02, 2017
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