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Haier CPN10XHJ Thermistor
In an HVAC system, a thermistor is a certain type of resistor that has a fluctuating resistance that is governed by the amount of, or lack thereof, heat. The system reads the temperature throughout the whole system to make a decision on what needs to be done. They inform the system control board when the temperature in increasing or decreasing.
Major indications of a deteriorating all-important thermister
- Primary blower could possibly fail to begin to ramp up
- The heating and cooling system could possibly not operate because of the thermistor that has failed
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