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Carrier KLA Flame Sensor
A flame sensor is an important safety feature that senses the exact flame during ignition. Due to the overall safety issue, when the sensor is triggered by an event the furnace cannot start again for as long as the problem remains.
General indicators that your the primary flame sensor is in dire need of a replacement
- System operates occasionally when it wants to
- The gas furnace cannot produce any heat and spits out an error code on the main board
- The gas will not start an ignition sequence and closes the gas valve
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