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LG LP090CED Thermistor
A thermistor is a special kind of new age resistor which has a resistance that changes as it depends on temperature at its location. The heating and cooling system needs to know the temperature throughout the whole system to do its job as it should. They can tell the circuit board when the temperature reaches a certain point.
Signals of a defective system thermister
- The blower could never begin in the attempt to ramp up the airflow
- The AC and heat system could never start up because of any stuck thermistor
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