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Carrier 38SYG060 Limit Switch
The limit switch contains a sensor in the heating area that decides when the air is warm enough for the main blower to kick in and circulate the air. A limit switch was crafted because if the air never warms up the you will lose all the heat as the air flows through the ducts.
Symptoms critical limit switch needs replacing
- The heating and cooling system will not initiate or will not stay running even though max temp has not been reached
- The system starts to ramp up but then stops repeatedly
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