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Friedrich VEA09K Thermistor
A thermistor is a specific kind of resistor that has a swinging resistance changes as it depends on current temperature. They inform the system control board when the temperature has been reached. The system reads the temperature in order to understand what is going on.
Major indications poorly running all-important thermister
- Blower motor could refuse to begin to ramp up the airflow
- The heating and AC system may not function because of the thermistor that is stuck open
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