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Carrier 38HDL030 Limit Switch
The limit switch has a sensor in the heat exchanger that makes the determination if and when the air is warm enough to activate the main blower. Limit switches are crucial because if the air is not warm enough the you will lose heat in the ducts and the vents will just blow cool air.
What red flags are there that my limit switch most likely is in need of replacing?
- Your system starts to go through the startup sequence but stops quickly more often than not
- The heating and cooling system will not begin the ignition sequence or continue to run longer than a minute
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If you decide on picking up or purchasing a new Carrier 38HDL030 replacement part, do your due diligence and cross-check the correct model as well as make a visual comparison so that you are positive that the correct limit switch is being ordered. Once you have the part to install the part by yourself. Find a professional in your area to hire and install the part for you.
Feel free to download your manual for help.
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