LG WFS1258ETD Service Manual ▷ View online
4 4
Is the coil of the drain
pump too high or low?
(resistance of the coil
is 10-20
pump too high or low?
(resistance of the coil
is 10-20
ȳ)
(Refer to 9-4 Pump motor
assembly)
assembly)
Replace the
DRAIN
PUMP
ASSEMBLY.
DRAIN
PUMP
ASSEMBLY.
Is the voltage between
connectors out of range?
(CN5 pin5)
- After remove Terminal
Position Assurance (TPA)
of connector, check as follows.
connectors out of range?
(CN5 pin5)
- After remove Terminal
Position Assurance (TPA)
of connector, check as follows.
Replace the
MAIN PWB
ASSEMBLY.
MAIN PWB
ASSEMBLY.
Is displayed?
Yes
No
No
Yes
Yes
DRAIN ERROR
- Pump running : 220V
·5%
- Stopped Motor/Pump : 0~1V
Method
1. Press the Power button, while the SPIN SPEED
1. Press the Power button, while the SPIN SPEED
button and SOIL LEVEL button is pressed
simultaneously.
simultaneously.
2.Press Start/Pause button
: 1 time
Pump slow-speed running
: 2 times
Pump mid-speed running
: 3 times
Pump high-speed running
: 4 times
Stop the Motor/Pump
When you press both
Water level button and
Spin button
simultaneously, is the
water level frequency
below 26.0 kHz?
Water level button and
Spin button
simultaneously, is the
water level frequency
below 26.0 kHz?
Check the AIR
CHAMBER
,the tube
(clogged),
and press
switch
CHAMBER
,the tube
(clogged),
and press
switch
Yes
No
Yes
Drain pump
Connection connector
Is the connector connected
to pump motor assembly
disconnected or
disassembled?
to pump motor assembly
disconnected or
disassembled?
Reconnect or
repair
the connector
repair
the connector
[Note] Environmental check list
1) The drainage hose must not stay in a lower position
2) The drainage hose must not be bent or
1) The drainage hose must not stay in a lower position
2) The drainage hose must not be bent or
clogged in any way due to the surrounding
physical configuration
physical configuration
3) The drainage hose must not get frozen at all times.
4) The drainage pump must not have any improper
4) The drainage pump must not have any improper
substance or material inside that may cause
a machine breakdown
.
4 5
4-9-1 TROUBLESHOOTING WITH ERROR
Is displayed?
yG
Gyv{vy
Gyv{vy
Check the connectors below.
Is the connector disconnected
or disassembled?
(motor hall sensor connector,
motor drive connector)
- part of main PWB
assembly (YL3,NA1)
pGGGf
pGGG
GGGG\GX\Gȳf
O|T}SG}T~SG~T}
GGGG\GX\Gȳf
O|T}SG}T~SG~T}
a|dXSG}dYSG~dZP
T hGGGGsZ
SGGG
GGG
GUGOyGZwSGP
GGG
GUGOyGZwSGP
pGGGGG
GfG
GfG
OyGG`TZG
zG VoG
P
P
jGGpwtGGG
yG
GoG
GoG
yGG
thpuGw~iG
hzzltis
thpuGw~iG
hzzltis
LOCKED MOTOR ERROR
Yes
Yes
Hall sensor
Yes
No
Motor
Yes
t
No
Yes
yG
Gz{h{vy
Gz{h{vy
Yes
No
No
T GG
Motor Drive
T GG
Reconnect
the connector
(connector /
wire / motor )
the connector
(connector /
wire / motor )
Motor Drive
Hall Sensor
4 6
4-9-1 TROUBLESHOOTING WITH ERROR
Is displayed?
No
Yes
Yes
Yes
UNBALANCE ERROR
When you press both Water
level button and Spin button
simultaneously, is the water
level frequency over
21.3kHz?
level button and Spin button
simultaneously, is the water
level frequency over
21.3kHz?
(Refer to 7-4)
Check the AIR
CHAMBER
and the tube
(clogged).
CHAMBER
and the tube
(clogged).
Replace the
INLET VALVE ASSEMBLY
INLET VALVE ASSEMBLY
Is displayed?
Yes
No
Yes
No
Yes
OVER FLOW ERROR
Does the laundry lean
toward one side, not evenly
put in the DRUM assembly?
toward one side, not evenly
put in the DRUM assembly?
Put laundry
evenly
In the DRUM
assembly
evenly
In the DRUM
assembly
Is the washing machine
installed at an angle?
installed at an angle?
Adjust the
height of
washing
machine
to be kept
horizontally
height of
washing
machine
to be kept
horizontally
[Note] Environmental check list
1) Removal of transportation-based fixed bolt
2) Confirmation on the material to see if it is capable
1) Removal of transportation-based fixed bolt
2) Confirmation on the material to see if it is capable
of handling two different types of blanket materials
Does the inlet valve work
when the power is not
applied?
when the power is not
applied?
If the inlet
valve work
continuously
when the power
is applied,
Replace the
MAIN PWB
ASSEMBLY
valve work
continuously
when the power
is applied,
Replace the
MAIN PWB
ASSEMBLY
4 7
4-9-1 TROUBLESHOOTING WITH ERROR
Is the resistance of the
pressure sensor out of
range?
(pin 1~ pin 3)
(21~23
pressure sensor out of
range?
(pin 1~ pin 3)
(21~23
˟ ·10%)
Replace the
pressure
switch
pressure
switch
Is the AIR CHAMBER and the
tube clogged?
tube clogged?
Fix the air
chamber
and remove
the foreign
material
chamber
and remove
the foreign
material
Is displayed?
No
Yes
Yes
No
Yes
No
Yes
Replace the MAIN PWB
assembly
assembly
PRESSURE SENSOR ERROR
Is the connector connected
to pressure sensor
disconnected or
disassembled?
to pressure sensor
disconnected or
disassembled?
Reconnect or
repair
the connector
repair
the connector
Click on the first or last page to see other WFS1258ETD service manuals if exist.