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Goodman GCH90453BX Flame Sensor
The flame sensor is one of the safety features that will dependably sense the acceptable flame upon ignition. Due to safety concerns, when the flame sensor gets triggered by something the system remains completely shut down for as long as the problem remains.
Clues to watch for in a bad primary flame sensor
- Any type of gas that has entered the furnace will not begin an ignition sequence and the main board displays on error code
- System will sometimes work sporadically only after the second full moon of the month on a Tuesday
- The furnace will not work and shuts down
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