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Samsung AVMBC020CA0 Flame Sensor
A flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that senses the proper flame while the system is starting. As with most safety features, when the flame sensor gets triggered by something everything remains shut off until obstacle is corrected.
Clues the primary flame sensor needs replacing ASAP
- The gas has a tough time trying to start an ignition sequence and the control shows an error
- The heating system turns on on certain occasions at midnight, but only after the new moon following the fourth Monday of the month
- Your furnace is unwilling to fire up and produces an error code on the circuit board
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