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Carrier 38HDR036 Thermistor
A thermistor is a certain type of resistor that has a swinging resistance depends on the amount of, or lack thereof, heat. The main control board deciphers the temp in order to do its job correctly. They inform the circuit board when a temperature reaches a certain point.
Simple warnings that your Carrier thermister is in need of replacing?
- The blower refuses in its attempt to ramp up
- The system could possibly never start due to a bad thermistor
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