Quote:
Originally Posted by WmJSheffler
A 2018 thread titled "Try this first before you buy 2nd AC unit or bring your unit in for AC service" recommends allowing the temperature probe to hang loose in the return air area.
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There is a lot of misinformation about that sensor. Some might think what I am about to say is incorrect but based on my research it isn't.
The purpose of the freeze sensor is to detect whether the evaporator coils start to freeze over. If the sensor detects this occuring, it cycles the compressor off so the ice melts and flow can resume through the coils. If ice builds up on the evaporator coils, it will restrict the airflow.
If the sensor is just dangling, then it does not do its job and detect ice build up. As a result the compressor keeps running and the problem gets worse.
If you look up the part number and description, is it actually "Freeze Switch / Sensor" and not "Temperature Sensor."
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