00018
Carrier Transicold
Critical

Low Refrigerant Press

Refrigerant pressure too low for safe operation.

Possible causes

  • Total loss of refrigerant
  • Step valve accidentally closed
  • Defective low pressure transducer
  • Evaporator coil icing

Recommended actions

  • Verify refrigerant charge
  • Perform defrost cycle
  • Test low pressure sensor
  • Open service valves if closed

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