LG LMXS27626S Service Manual page 48

Cube mode doesn't work
1
Check the loose connection
2
Check the voltage.
(while pushing the lever S/W)
Is voltage correct?
(BK) (WH)
LEVER S/W
CON2
Pushing
3 pin ~ 12
rd th
pin
Pushing
Yes
3
Check the voltage.
(while pushing the lever S/W)
Is voltage correct compared with
table?
LEVER S/W
Pushing
CON3 5 th pin ~
CON1 13 pin
th
Pushing
Yes
Change the
No
PCB
CON2
Voltage [V]
112~115V
Not
0~2V
Change the
No
PCB
CON3 CON1
Voltage [V]
9~12V
Not
0~2V
4
Check the resistance value.
Is Geared Motor resistance
144~ 176Ω?
Geared Motor
Yes
5
Check the resistance value.
Is Dispenser Motor resistance
9.9 ~ 12.1Ω?
Dispenser Motor
Yes
6
Explain to customer
- 48 -
Replace
No
Geared Motor
Geared Motor
Resistance
[Ω]
31.1 ~ 42.1
Replace
No
Geared Motor
Dispenser Motor
Resistance
[Ω]
9.9 ~ 12.1