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Display PCB
Is the connection loose?
Yes
Yes
No
No
Reconnect
In Water Mode,
Is the voltage between
pin1 and pin7 of CON2 in
dispenser PCB like as
below, while pushing the
level switch?
Dispenser PCB
CON2
Pin7 BL
Dispenser PCB
CON2
Pin1 PR
Test PointLevel switch Result
pin1 to pin7 Pushing 115 V
pin1 to pin7 Normal 0 V
Wiring diagram
Output voltage of door water valve
Replace
Dispenser
PCB
Crush Mode Doesn't work
Dispenser
PCB
Main
PCB
7
BL
PR
Door
Water Valve
1
V
4
CON3
BL
GN
Machine Room
Water Valve
11
Housing-A
2
1
2
1
Housing-B
1
6
1
6
Lever S/W
CON2
V