LG LRSXC2706 Series Service Manual page 56

Cube mode doesn't work
1
Check the loose connection
2
Check the voltage.
(while pushing the lever S/W)
Is voltage correct?
LEVER S/W
CON 2
18 pin~20 pin
th th
Not Pushing
CON 2
18 pin~22 pin
th th
Not Pushing
CON 2
20 pin~22 pin
th th
Not Pushing
When Push
CON 2
14 pin~16 pin
th th
Not Pushing
Yes
Change the
No
PCB
Voltage [V]
0~2V
0~2V
0~2V
11.5~12.5V
(maintain 1s)
0~2V
4
Check the resistance value.
Is Geared Motor resistance as
below?
Auger Motor (RT25
BK (18th) - GY/RD (20th)
BK (18th) - WH (22nd)
GY/RD (20th) - WH (22nd)
Yes
5
Check the resistance value.
Is Dispenser Motor resistance as
below?
Dispenser Motor
Duct Motor (RT25
WH/BK (16th) - RD (14th)
Yes
6
Explain to customer
58
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Replace
No
Geared Motor
Geared Motor
Resistance [ohm]
)
2~3
2~3
2~3
Replace duct
No
Motor
Resistance [ohm]
)
8~14ohm