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Carrier 39E Flame Sensor
The flame sensor is a device that senses the exact flame when igniting the system. As expected, when the flame sensor gets triggered by something the furnace cannot start again until that particular problem is fixed.
Signs your furnace flame sensor should need replacing
- HVAC system will run sometimes only
- The gas that has entered the furnace will not even try to start an ignition sequence and the system throws an error code
- Your gas furnace refuses to ramp up when you have it set to
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