Samsung AQ09VFUAGM/CV Service Manual page 93

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
Is the posi on of indoor eva_in
sensor normal?
YES
Restart a er power o
a er 20minutes later
Is the gas leak error appeared
again?
YES
Check the EEV valve opera on.
Is the EEV valve connec on
normal?
Is the EEV valve is opera on?
Check the sound of EEV valve a er
power on.
YES
Is the pressure of refrigerant
normal?
YES
Exchange the Indoor PBA
Exchange the Outdoor PBA
YES
Outdoor error
Gas leak error
NO
NO
NO
NO
NO
Indoor sensor take the normal posi on
Terminate the service.
Connect the EEV valve.
Change the EEV valve.
Check the pipe crack.
Fill up the refrigerant.