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Carrier 50RQ Flame Sensor
The flame sensor is only found on gas furnaces. It is a sensor that will consistently detect the precise flame during the initial ignition of the furnace. Because of the safety issues involved, if the sensor produces an error the whole HVAC system will remain stopped until the main issue is remedied.
Signs of a deteriorating Carrier flame sensor
- The propane or natural gas cannot begin an ignition sequence and shuts off
- The furnace will work intermittently when it feels like it
- The heat system refuses to even start when you have it set to
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