Outdoor's Service Valve(Clog) - Samsung AC048KXQPCC Service Manual

Troubleshooting

4-3-2 Outdoor's service valve(Clog)

Wire remote controller display
Symptom
Failure
Is the outdoor service
valve clogged?
Yes
Open the outdoor's service valve
4-6
E422
Clogging of outdoor's service valve
Valve clog
Was lacking in refrigerant?
No
Refrigerant Charge.
No
Yes
Check the normal of EVA-IN
TEMP SENSOR.
Samsung Electronics