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Nordyne E3EX-020H Thermistor
A very basic thermistor is a type of resistor that has a fluctuating resistance that is dependent on the amount of, or lack thereof, heat. They tell the main board when a temperature in increasing or decreasing. The system control board needs to know the temperature in some specific areas of the system to make a decision on what needs to be done.
Signals of a defective temp regulating thermister
- The whole system may not even begin to function because of the broken thermistor
- The main fan could fail in the attempt to engage full speed
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