May Tech Challenge — Question
A split air conditioner utilizing R-410A with a TXV feed device (and receiver) has a customer complaint of “warm, no cooling.” The symptoms confirm inadequate cooling and the compressor appears to be running all of the time and the thermostat is not satisfied. What are the “possible causes” (Note: There is only one problem intended) with the following measured conditions on this field service check sheet?
Check back in June for the answer to this issue’s Tech Challenge.
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