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Carrier 50GS018300 Thermistor
A thermistor is a type of resistor that has a varied resistance that is dependent on the temperature at its location. They tell the system control board when a certain temperature in increasing or decreasing. The main control board needs to know the temperature in certain areas to know what to do next.
Major warnings to watch for in a failing system thermister
- Primary blower could possibly fail to begin to ramp up
- The heating and cooling system could possibly not even begin depending on which is the thermistor that is stuck open
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