Samsung AR18NSFPEWQNEU Service Manual page 81

10-2-23 Gas leak error
Indoor display
3-LED DISPLAY
LED1 LED2
Outdoor display
LED ON LED BLINKING
1. Checklist :
1) Is the positio
2) Check the pipe crack
3) Check the EEV valve connection("CN701 ") in Outdoo r unit
4) Check the refrigerant was charged
2. Troubleshooting procedure
_in sensor normal?
Rest
Is the gas leak error appeared again?
Check the EEV valve operation.
Is the EEV valve connection normal?
Is the EEV valve is operation?
Check the sound of EEV valve
after power on.
Samsung Electronics
LED3
LED OFF
ndoor Eva_in sensor normal?
YES
after 20minutes later
YES
YES
YES
7-SEG DISPLAY
E554
GAS Leak error
NO
Indoor sensor take the normal position
NO
Terminate the service.
NO
Connect the EEV valve.
NO
Change the EEV valve.
DESCRIPTION
GAS Leak error
10-27