DOWNLOAD LG WD-80160FU Service Manual ↓ Size: 9.95 MB | Pages: 35 in PDF or view online for FREE

Wiring diagram

option (HOT)

option (HOT)

MAX

max

Is the water supply shut-off?

Is the tap opened?

Is the inlet valve filter clogged with impurity?

Is resistance of the inlet valve connector 
between the 2 to 8

k

?

Check the voltage between each terminals of inlet

Valve is 220 - 240V~.

(Refer to 7-2 TEST MODE)

Is water supplied?

Are replaceptacles correctly connected to the
terminals of inlet valve?

Is detergent put in the correct compartment of
the drawer?

Is the detergent caked or hardened?

Open the tap.

Clean the filter.

Replace the inlet valve.

Replace PWB assembly

Refer to solution

NO INLET

Check the wiring on the

dispenser.

Put the detergent in the

correct position 

: Detergent 

Clean the drawer.

MAIN

WASH

SOFTENER

PRE -

WASH

Wiring diagram

option (HOT)

MAX

max

Fix the bolt tightly.

Replace the V-belt
(4400FR3116A)

Replace the motor.

Refer to

NO WATER SUPPLY

Check the wiring on the 
dispenser.

Put it in the correct
compartment.

Clean the cap and
drawer.

Is the pulley bolt loosened?

Is the belt worn?

Is there friction noise from the motor?

Is water supplied?

Are receptacles correctly connected to the terminals
of inlet valve?

Is softener put in the correct compartment of

drawer?

Is the softener cap clogged?

PWB ASSEMBLY

PWB ASSEMBLY

1

2

Replace the sensor 

(pressure).

Replace the sensor 

(pressure).

Repair drain hose

Remove foreign material.

Reconnect or repair the
connector

Replace the pump
assembly

Replace the PWB  

When pressing [Option] and [Spin] at the same time
after draining, is  the water level frequency 252 or
more?  
When pressing  [Option], [Spin] buttons at the
same time while wash, is the water level
frequency between 220 - 240?

Replace the PWB assembly.

Is the drain hose twisted or frozen?

Is the impeller of the drain pump clogged?

Is the connector disconnected, disassembled?

Is the coil of drain pump cut-off?

(resistance of coil is 90~160 )

When checking voltage between connectors

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

as the figure?

4

1

AC 220-240V

(1)

Replace the thermistor

Push the thermistor

tightly to the rubber.

When disconnect the connector (1) on the 
PWB assembly is the resistance of the 
Natural connectors 

( White),

(Blue / White) between  2.5k

to 180k

(105

~0

)?

When checking thermistor on the tub, 

is the thermistor loosened above 2mm from 

the rubber?

When checking the voltage between two
receptacles of the PWB assembly during
washing.
Is the voltage AC 220-240V?

After power off, is the resistance between yellow
wire and red wire of
connector 10 to 30 ?

After power off, is the resistance of heater

10 to 30 ?

Replace the PWB
assembly.

Normal.

Replace the heater 
assembly.