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Carrier FF1DNE024005AAAA Thermistor
In an HVAC system, a thermistor is a specific kind of resistor that has a varied resistance that is governed by actual temperature is perceives. They tell the HVAC system when a certain temperature in increasing or decreasing. The heating and cooling system must know the temp in a few critical areas to understand what is going on.
What to see if the main thermister is not working properly?
- The main fan could never begin to begin to ramp up
- The whole system could never start up because of any thermistor that is stuck open
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