LG LRMVS3006 Series Service Manual page 59

Cube mode doesn't work
1 Check the Auger Motor
(Working Sound,
Visual inspection)
Yes
2
Check the SUB PCB Resistance
Value
CON1
25th pin, 27th pin
25th pin, 28th pin
27th pin, 28th pin
Yes
3
Check the SUB PCB Voltage Value No
CON5
1st pin, 5th pin
While pushing the lever S/W
is voltage correct?
CON1 CON5
26th pin, 5th pin
CON1 CON5
20th pin, 5th pin
Yes
Change the
No
Dispenser
Assembly, Ice
(Loc. 612A)
2.37~2.73
Check the
Item ⑤
(Main PCB
Voltage value)
※ Sub PCB Voltage NG or,
When Main PCB Voltage is
OK,
Estimated Harness open
circuit.
Change the
No
Case
Assembly,
PCB
(Loc. 500C)
4
Check the Display PCB Voltage
Value
CON102
29th pin, 3rd pin
CON102
28th pin, 3rd pin
Yes
5
Check the Main PCB Voltage Value No
CON5
1st pin, 13th pin
Yes
6
Explain to the customer
(Refrigerator is OK)
-57-
Change the
No
Cover
Assembly,
Display
(Loc. 279A)
Change the PCB
Assembly, Main
(Loc. 500A)
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