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Fujitsu ASU30CLX1 Limit Switch
The reason limit switches exist is due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts. A normal limit switch is a type of sensor switch in the heat exchanger that senses, or governs, if and when the air is warm enough that it can be circulated throughout the house.
Major signs of a weak limit type switch
- Your Fujitsu system will not start or run even though max temp has not been reached
- The system is beginning to shut down unexpectedly more often than not
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