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Mitsubishi MSZ-GE09NA Flame Sensor
A flame sensor is a regulatory sensor that will consistently detect the acceptable flame when igniting the system. As with any other safety sensor, if the flame sensor is triggered everything stops until that particular problem is fixed.
Major indications of a failing primary flame sensor
- The type of gas you use has difficulty trying to properly ignite and shut down
- The unit turns on sporadically but only on the third Wednesday of on months beginning on Thursday
- Your gas furnace cannot start and spits out an error code on the main board
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