How does the technician determine whether an excessively low gauge reading is caused by a clogged orifice or expansion valve screen or by moisture in the system?
What will be an ideal response?
Turn the air conditioner off for 10 to 15 minutes, then turn it back on. If the gauge readings immediately go to an abnormal condition, the screen is probably clogged. If the gauge readings are normal for a few minutes and then go to abnormal, there is probably excess moisture in the system.
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