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Carrier KFCEH0801N08 Thermistor
In an HVAC system, a thermistor is a specific kind of resistor which has a resistance that is solely dependent on temperature. The furnace or AC needs to know the temperature in several different areas to be sure everything is going well. They can tell the main board when a temperature reaches a certain point.
What happens when my Carrier thermister is on its last leg?
- Blower motor may refuse in the attempt to ramp up to full speed
- The initial sequence may not even start because of any broken thermistor
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