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Haier HPR09XC7 Thermistor
In an HVAC system, a thermistor is a certain type of resistor that has a fluctuating resistance that is dependent on the current temperature. The HVAC system takes the temperature in order to be sure everything is going well. They inform the main board when the temperature in increasing or decreasing.
Key clues of an ailing system thermister
- The initial sequence could never start up due to any one bad thermistor
- The main fan could never begin in its attempt to ramp up the airflow
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