LG LFXS30726, Service Manual

Page: 54 / 109

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Change the
PCB
Crush 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
12
th pin ~
B(NEUTRAL)
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]
CON1
12
th pin ~
13 th pin
Pushing 9~12V
Not
Pushing
0~2V
Change the
PCB
4
Check the resistance value.
Is Geared Motor resistance
31.1 ~ 42.1Ω?
No
Yes
Replace
Geared Motor
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
Dispenser Motor
Resistance [Ω]
Dispenser Motor 9.9 ~ 12.1
CON1
PIN12 PIN13
CON2