Outdoor's Service Valve(Clog) - Samsung AC052MNMSEH Service Manual

4-3-9 Outdoor's service valve(Clog)

Wire remote controller display
Symptom
Failure
Is the outdoor service
valve clogged?
Yes
Open the outdoor's service valve
Samsung Electronics
E422
Clogging of outdoor's service valve
Valve clog
Was lacking in refrigerant?
No
Yes
Refrigerant Charge.
Check the normal of EVA-IN
TEMP SENSOR.
No
4-15