02002
Carrier Transicold
Critical
Low Discharge Superheat
Low discharge superheat detected; risk of liquid floodback to the compressor.
Possible causes
- Electronic Expansion Valve (EXV) over-open
- Defective liquid injection
- Discharge temperature sensor failure
- Excessive refrigerant charge
Recommended actions
- Check EXV operation
- Verify accuracy of temperature and pressure sensors
- Check for refrigerant overcharge
- Monitor injection valve operation
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