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LG LMN090CE Thermistor
A thermistor is a certain type of resistor whose rated resistance varies depending on the thermal temperature. They convey to the heating and cooling system when a certain temperature in increasing or decreasing. The furnace or AC reads the temperature in several different areas to understand what is going on.
Red flags your all-important thermister is going out
- No component may never start up depending on which is the failed thermistor
- Primary blower refuses to begin to ramp up
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