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Carrier 48GS Thermistor
A very basic thermistor is a certain type of resistor that has a fluctuating resistance that is dependent on the current temperature. The main control board interprets the temperature in certain areas to do its job as it should. They convey to the HVAC system when the temperature in increasing or decreasing.
What are some indications that my all-important thermister is in need of a replacement?
- The system blower could possibly fail to begin to ramp up the airflow
- The initial sequence could possibly never start because of any thermistor that has failed
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