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Carrier 38HDC024 Limit Switch
The main reason limit switches are made is because if the air is not warm enough the you will lose heat in the ducts and the vents will just blow cool air. The limit switch has a sensor in the air handler that determines when the air is actually warm enough for the air to begin normal home circulation.
What symptoms are present when the limit type switch really is crapping out?
- The system starts to behave erratically more than once
- System will not begin the ignition sequence nor will it stay running as it should
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