176
Thermo King
Critical

Check Evaporator Pressure Sensor (CR)

The evaporator pressure sensor is sending signals that are out of range.

Possible causes

  • Defective pressure sensor
  • Shorted or open wiring
  • Total loss of refrigerant charge

Recommended actions

  • Compare sensor pressure with physical gauge
  • Check 5V reference voltages at the sensor
  • Replace the pressure transducer

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