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Carrier 38YKC030 Flame Sensor
A flame sensor is only found on gas furnaces. It is a sensor that can sense the proper flame while the system is starting. As you could guess, when the flame sensor is activated the system remains completely shut down until obstacle is corrected.
Key signs of an ineffective primary flame sensor
- The type of gas you use cannot properly ignite and the system throws an error code
- The gas furnace cannot generate heat when the thermostat kicks in
- The furnace will kind of run occasionally whenever it pleases
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