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Carrier 40MFC018 Thermistor
A very basic thermistor is a type of resistor whose resistance will fluctuate depending on the temperature. They convey to the system control board when the temperature reaches a certain point. The system control board must know the temp in certain areas to do its job as it should.
Major symptoms your thermister needs replacing ASAP
- Blower motor refuses to begin to ramp up
- The whole system may not even start due to any one thermistor that is malfunctioning
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Before buying or purchasing a new Carrier 40MFC018 replacement part do your best and double check the correct model and also make a visual inspection in order to be sure the right thermistor is being ordered. If you are not sure about the properly replacing the thermistor on your own then it is probably best to contact a professional to do the replacement of the part.
Feel free to download your manual for help.
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