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Carrier 58MXA140 Thermistor
A very basic thermistor is a certain type of resistor that has a swinging resistance fluctuates depending on the actual temperature is perceives. The heating system must know the temp in a few critical areas to make a decision on what needs to be done. They notify the circuit board when the temperature has been reached.
Hints your all-important thermister is in need of replacing
- The entire system may not initiate the starting sequence due to a thermistor that is stuck open
- The main blower could possibly fail to begin to ramp up the airflow
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Before buying or ordering a replacement thermistor for your Carrier 58MXA140, do your due diligence and make sure of the model number and also make a visual comparison so that you are positive that the correct thermistor is being ordered. There is no need to replace the part all by yourself. Hire someone with experience locally to pay to install it for you.
Feel free to download your manual for help.
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