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Fujitsu AOU9RL2 Limit Switch
The limit switch is a switch in the heating area that senses, or governs, if and when the air is warm enough that it can be circulated throughout the house. This is important because if the air never warms up then you will never get hot air through the ducts.
Major clues limit switch is in dire straights
- The system is starting to act differently on a regular basis
- The heating and AC system is unable to start nor will it stay running longer that five minutes
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