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International Comfort Products H9MPD050F12A1 Thermistor
In an HVAC system, a thermistor is a certain type of resistor that has a swinging resistance varies depending on the heat. The heating system interprets the temperature in certain areas to understand what is going on. They notify the main board when a certain temperature has been reached.
What to see if the thermister is crapping out?
- The system blower fails in the attempt to ramp up to full speed
- The initial sequence may not even begin to function due to any one broken thermistor
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