Samsung AR18NSFPEWQNEU, Service Manual

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Samsung Electronics 10-32
10-2-27 EEV or Valve Close error-Self diagnosis
Indoor display
3-LED DISPLAY
7-SEG DISPLAY
DESCRIPTION
LED1 LED2 LED3
E422 EEV or Valve Close error-Self diagnosis
Outdoor display
EEV or Valve Close error-Self diagnosis
LED ON LED BLINKING LED OFF
1. Checklist :
1) Is the positio ndoor Eva_in sensor normal?
2) Check the pipe crack
3) Check the EEV valve connection("CN701") in Outdoor unit
4) Check the refrigerant was charged
2. Troubleshooting procedure
Rest
Check the EEV valve operation.
Exchange the Indoor PBA
Exchange the Outdoor PBA
Is the positio ndoor eva_in sensor normal?
Is the gas leak error appeared again?
Is the EEV valve connection normal?
Is the EEV valve is operation?
Check the sound of EEV valve after power on.
Is the pressure of refrigerant normal?
NO
NO
NO
NO
NO
Connect the EEV valve.
Terminate the service.
Indoor sensor take the normal position
Change the EEV valve.
Check the pipe crack.
Fill up the refrigerant.
YES
after 20minutes later
YES
YES
YES
YES