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Carrier 38YSA024 Thermistor
A very basic thermistor is a thermal resistor, whose resistance is directly proportioned to heat. The main control board interprets the temperature in several different areas to make a decision on what needs to be done. They can tell the main board when a temperature in increasing or decreasing.
Some clues the Carrier thermister is going out
- The heating and AC system could possibly never start because of any failed thermistor
- The system blower could never begin to begin to get up to full speed
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