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Fujitsu AOU36RML Limit Switch
The limit switch is a type of sensor switch in the heating area that decides if and when the air is warmed to a point for the air to begin normal home circulation. Limit switches exist because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
Some warnings limit type switch needs a replacement ASAP
- System will not begin or will not stay running longer than a minute
- Your system starts to run erratically frequently
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