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Carrier 38EZG048 Limit Switch
A limit switch was crafted because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts. A normal limit switch has a sensor in the heat exchanger that makes the determination when the air is warmed to a point to activate the main blower.
Clues limit switch is failing
- The heating and AC system will not start or continue to run even though max temp has not been reached
- The Carrier system begins to act differently frequently
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