Emerson ZX - Troubleshooting Table

With additional tools, the technician can find out more about the system guided by the following
table :
Discharge Discharge Suction Superheat SubCooling Amperage
Pressure Temperature Pressure Draw
Refrigerant Overcharge High Low High Low High High
Refrigerant Undercharge Low High Low High Low Low
Restriction at the Filter Drier Low High Low High High Low
Low Evaporator Airflow Low Low Low Low High Low
Blocked or Dirty Condensor Coil High High High Low Low High
TXV with lost bulb charge Low Low Low High High Low
High Evaporator Airflow High High High High Low High
Dragging or Seizing Compressor Low High High High High High
Electrical Phase Imbalance Low High High High High Low
Non-Condensibles in system High High High High Low High
High : Higher than Normal
Low : Lower than Normal
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