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Carrier 48GP030040300 Flame Sensor
The flame sensor is only used on furnaces that burn gas and is one that can reliably detect the correct flame during ignition. As with most safety features, when the flame sensor gets triggered by something the system remains completely shut down until the problem is remedied and the system is reset.
Simple warnings that your Carrier flame sensor is almost going bad?
- LP or natural gas has problems trying to start an ignition sequence and some type of error flashes on the main board
- The gas furnace is unwilling to work when you want it to
- The entire heating system kicks in on certain occasions at midnight, but only after the new moon following the fourth Monday of the month
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