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Carrier 38E Flame Sensor
The flame sensor is one of the safety features that senses the precise flame during ignition. As expected, when the flame sensor gets triggered by something the system remains completely shut down until the problem is dealt with.
Major signs of an ailing primary flame sensor
- The entire heating system turns on occasionally at the stroke of midnight after the second full moon following the second Sunday of the month
- The furnace will not begin working and shuts down
- LP or natural gas has a tough time trying to begin an ignition sequence and some type of error flashes on the main board
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