Troubleshooting
4-6 Samsung Electronics
4-3-2 Outdoor's service valve(Clog)
Wire remote controller display
E422
Symptom
Clogging of outdoor's service valve
Failure
Valve clog
NoNo
Yes Yes
Is the outdoor service
valve clogged?
Was lacking in refrigerant?
Check the normal of EVA-IN
TEMP SENSOR.
Open the outdoor's service valve Refrigerant Charge.
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