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Carrier 48GP036090310 Flame Sensor
The flame sensor is one of the safety features that can sense the flame during ignition. As expected, if the sensor produces an error everything remains shut off until the problem is remedied and the system is reset.
Symptoms of a faulty furnace flame sensor
- The gas furnace cannot start operating when the thermostat kicks in
- HVAC system starts occasionally at the stroke of midnight after the second full moon following the second Sunday of the month
- The gas supplying the furnace has a tough time trying to begin an ignition sequence and closes the gas valve
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