Samsung AC024KNZDCH/AA - Outdoors Service Valve(Clog)

Troubleshooting
4-8 Samsung Electronics
Indoor unit display
(Operation) X (Defrost) X (Timer) (Fan) (Filter)
Wire remote controller display
E422
Symptom
Clogging of outdoor's service valve
Failure
Valve clog
4-2-5 Outdoor's service valve(Clog)
Yes
No
Is the outdoor service valve clogging?
Replace the PCB and restart the unit.
Open the outdoor's service valve.
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