DOWNLOAD LG WM-12316FD Service Manual ↓ Size: 3.81 MB | Pages: 36 in PDF or view online for FREE

NO

YES

NO

NO

YES

NO

YES

YES

NO

NO

YES

YES

YES

NO

NO

NO

YES

Wiring diagram

Option (Hot)

Option (Hot)

Is water supply shut-off?

Is the tap opened?

When you press both Rinse button and Spin button
simultaneously, is the water level frequency below
240?

Is the inlet valve filter clogged with impurity?

Is resistance between each terminal of INLET
VALVE ASSEMBLY is 2~8

k

?

Check the voltage of the inlet valve connector 

220-240V~.

(Refer to 7-2 QC TEST MODE)

Is water supplied?

Are replaceptacles correctly connected to the
terminals of the INLET VALVE ASSEMBLY?

Is detergent put in the correct compartment of
the drawer?

Is the detergent hardened?

Open the tap.

Check the AIR CHAMBER
and the tube clogged 
with impurity. 

Clean the filter.

Replace the INLET VALVE

ASSEMBLY.

Replace the MAIN PWB

ASSEMBLY

Refer to 

NO WATER SUPPLY

Check the wiring on the

dispenser.

Put the detergent in the

correct position 

: Detergent 

Clean the drawer.

YES

YES

NO

NO

NO

NO

YES

YES

YES

YES

Wiring diagram

Option (Hot)

Fix the bolt tightly.

Replace the STATOR
ASSEMBLY or ROTOR
ASSEMBLY.

Refer to

NO WATER SUPPLY

Check the wiring on the 
dispenser.

Put it in the correct
compartment.

Clean the cap and
drawer.

Is the motor bolt loosened?

Is there friction noise from the motor?

Is water supplied?

Are receptacles correctly connected to the terminals
of the INLET VALVE ASSEMBLY?

Is softener put in the correct compartment of the

drawer?

Is the softener cap clogged?

Replace the

S.PRESSURE SWITCH

ASSEMBLY

Replace the MAIN PWB
ASSEMBLY

Repair the DRAIN HOSE

ASSEMBLY.

Remove foreign material.

Reconnect or repair the
connector

Repair the DRAIN PUMP

ASSEMBLY.

Repair the MAIN PWB

ASSEMBLY.

When pressing Wash and Rinse at the same time
after draining, is  the water level frequency 248 ~ 262
or more?  
When pressing Rinse, Spin buttons at the same
time while wash, is the water level frequency
between 230 - 243?

Checking voltage between two pins as press the
POWER button is the voltage  220-240V~?

Is the drain hose twisted or frozen?

Is the impeller of the drain pump clogged?

Is the connector disconnected, disassembled?

Is the coil of the drain pump cut-off?

(resistance of coil is 80~150 )

When checking voltage between connectors

( ,  )on spinning, is the voltage 220-240V~ 

as the figure?

AC 220-240V

Push the THERMISTOR
tightly to the rubber.

When checking THERMISTOR on the tub is the

THERMISTOR loosened above 2mm from 

the rubber?