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Carrier 50XL-A24 Flame Sensor
The flame sensor is a contraption that will dependably sense the appropriate flame upon ignition. As you could guess, if the sensor generated a error the furnace cannot start again until the problem is remedied and the system is reset.
Major signs your furnace flame sensor should need replacing
- The gas entering the furnace refuses to try to begin an ignition sequence and the board throws an error
- The furnace will operate sometimes when it thinks it should
- Your system is unwilling to fire up when you have it set to
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