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Samsung AVMKH040CA0 Flame Sensor
The flame sensor is a regulatory sensor that will consistently detect the flame upon ignition. As you could guess, if the sensor get triggered everything remains shut off until that particular problem is fixed.
Major indications your safety flame sensor is in dire need of a replacement
- The gas furnace will not begin operations and spits out an error code on the main board
- The gas supplying the furnace will not even try to properly ignite and closes the gas valve
- The unit will sometimes work intermittently when it thinks it should
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