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Mitsubishi MUY-D30NA Flame Sensor
A flame sensor is a safety feature that will consistently detect the correct flame while the system is starting. As with any other safety sensor, if the sensor goes off the whole system stops until obstacle is corrected.
How can I tell if my flame sensor is about to go out?
- The gas supplying the furnace will not even try to begin igniting and shut down
- The heating system turns on intermittently when it wants to
- Your furnace is unwilling to start and spits out an error code on the main board
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