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Carrier RHR Flame Sensor
A flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that will consistently detect the exact flame during ignition. Due to safety concerns, if the flame sensor is triggered the entire HVAC system will stop until the problem is dealt with.
Subtle hints the Carrier flame sensor has to be replaced
- The gas entering the furnace will not burn and the board throws an error
- HVAC system starts intermittently only after the second full moon of the month on a Tuesday
- The heat system is unable to generate heat and shuts down
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