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Fujitsu ASU12RL2 Thermistor
A very basic thermistor is a type of resistor whose rated resistance is contingent on the amount of, or lack thereof, heat. The control board deciphers the temp in certain areas to do its job correctly. They notify the heating and cooling system when a temperature has been reached.
What to see if the system thermister is about to go out?
- Primary blower could fail in its attempt to engage full speed spinning
- No component could possibly never start depending on which is the broken thermistor
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