Gas Leak Error - Samsung AQV18UGAX Service Manual

12-2-25.Gas leak error

Indoor display
Outdoor display
1.Checklist :
1) Is the position of indoor Eva_in sensor normal?
2) Check the pipe crack
3) Check the EEV valve connection in Outdoor unit
4) Check the refrigerant was charged
2. Troubleshooting procedure
Isthe position of indoor eva_in
sensor normal?
Restart after power off
Is the gas leak error appeared
again?
Check the EEV valve operation.
Is the EEV valve
normal?
Is the EEV valve is operation?
Check the sound of EEV valve after
power on.
Is the pressure of refrigerant
normal?
Exchange the Indoor PBA
Exchange the Outdoor PBA
⊙ ○ ⊙
● ● ○
YES
after 20minutes later
YES
connection
YES
YES
YES
Outdoor error
Gas leak error
NO
Indoor sensor take the normal position
NO
Terminate the service.
NO
Connect the EEV valve.
NO
Change the EEV valve.
NO
Check the pipe crack.
Fill up the refrigerant.
12-23