LG LMXS28626 Series - Cube Mode Doesnt Work

Change the
PCB
Cube mode doesn't work
2
Check the voltage.
(while pushing the lever S/W)
Is voltage correct?
No
Yes
6
Explain to customer
1
Check the loose connection
LEVER S/W Voltage [V]
CON2
4
th
pin ~ A
(Blue)
Pushing 112~115V
Not
Pushing
0~2V
3
Check the voltage.
(while pushing the lever S/W)
Is voltage correct compared with
table?
No
Yes
LEVER S/W Voltage [V]
CON3 3
rd
pin ~
13
th
pin
Pushing 9~12V
Not
Pushing
0~2V
Change the
PCB
4
Check the resistance value.
Is Geared Motor resistance
144~ 176Ω?
No
Yes
Replace
Geared Motor
Resistance [Ω]
Geared Motor 31.1 ~ 42.1
5
Check the resistance value.
Is Dispenser Motor resistance
9.9 ~ 12.1Ω?
No
Yes
Replace
Geared Motor
Resistance [Ω]
Dispenser Motor 9.9 ~ 12.1
Geared Motor
Dispenser Motor
CON2
A
CON1