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Carrier 38AUQ Flame Sensor
The flame sensor is an important feature that will dependably sense the precise flame upon ignition. As expected, if the sensor get triggered the system remains completely shut down until that particular problem is fixed.
Warnings of a poorly performing furnace flame sensor
- The heat system will not even begin to start when the thermostat kicks in
- LP or natural gas will not begin an ignition sequence and shuts off
- The whole system will operate intermittently barely
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