3) Check the voltage of Water Valve
operating(AC voltage)
=> For checking the Relay RY78 operating.
CN70-
"5"(Red) ↔ CN73_1
-"1"(Purple)
- ICE Water valve waiting (about AC 0V)
6. Self Diagnosis & Trouble Shooting
6-13. If ICE Water is not supplied
To do list
YES
MAIN PCB normal
-- Need to check the other parts
①
Check the wire between Ice water
valve
↔
MAIN PCB
②
Ice water valve itself has trouble or
bad contact of connector
③
Check the connection hose
208