LG WB81206QP Service Manual ▷ View online
16
Program Chart
2
1:07
1
45
00
2:46
1:41
1:00
1:45
1:00
Wool
Cotton
Cotton Eco
Sport Wear
Mix
Duvet
Intensive 60
Easy Care
Skin Care
Delicate
1560
100
1560
720
2:19
90
24
420
26
420
14
420
40
720
20
480
67
57
480
25
480
Baby Care
Rinse+Spin
Quick 30
40
420
30
420
36
660
17
360
Before servicing ask the customer what the trouble is.
Check the adjustments. (Power supply :220-240V~, Removal of transit bolts etc..)
Check the troubles referring to the troubleshooting.
Decide service steps referring to disassembly instructions.
Then, service and repair.
After servicing, operate the appliance to see whether it works OK or NOT.
Check the adjustments. (Power supply :220-240V~, Removal of transit bolts etc..)
Check the troubles referring to the troubleshooting.
Decide service steps referring to disassembly instructions.
Then, service and repair.
After servicing, operate the appliance to see whether it works OK or NOT.
17
7. TROUBLESHOOTING
7-1. BEFORE PERFORMING SERVICE
7-2. LOAD TEST MODE
1 F**96TD(P)(1~9) : Press and Hold ‘
Temp.
’ & ‘
Spin
’ buttons and then press ‘
Power
’ button.
7-3. HOW TO KNOW THE WATER LEVEL FREQUENCY
F**96TD(P)(1~9) : Press and Hold ‘
Spin.
’ & ‘
Pre Wash
’ buttons simultaneously.
2 The washer must be empty and the controls must be in the off state.
3 Press Power with above two buttons pressed and then buzzer will sound.
4 Press the Start/Pause button repeatedly to cycle through the test modes
3 Press Power with above two buttons pressed and then buzzer will sound.
4 Press the Start/Pause button repeatedly to cycle through the test modes
1
2
3
4
2
3
4
5
6
6
None
1 time
2 times
3 times
3 times
4 times
5 times
5 times
6 times
7 times
8 times
9 times
7 times
8 times
9 times
10 times
All lamps turn on
Clockwise spin (right)
Low speed Spin
High speed Spin
Clockwise spin (right)
Low speed Spin
High speed Spin
Inlet valve for pre-wash operation
Inlet valve for main-wash operation
Hot inlet valve in case of hot water fill
Inlet valve for main-wash operation
Counterclockwise spin (left)
A Heater is in operation for 3 sec.
Draining pump operation
Auto off operation
Inlet valve for main-wash operation
Hot inlet valve in case of hot water fill
Inlet valve for main-wash operation
Counterclockwise spin (left)
A Heater is in operation for 3 sec.
Draining pump operation
Auto off operation
Motor rpm (About 47)
Motor rpm (About 590~650)
Motor rpm (About 590~650)
Motor rpm (About 950~1050) : F10**(T/Q)D(P)(1~9)
Motor rpm (About 1100~1250) : F12**(T/Q)D(P)(1~9)
Motor rpm (About 1100~1250) : F12**(T/Q)D(P)(1~9)
Motor rpm (About 1350~1400) : F14**(T/Q)D(P)(1~9)
Water level frequency (225~265)
Water level frequency (225~265)
Water level frequency (225~265)
Motor rpm (About 47)
Water Temperature
Water Temperature
Water level frequency
The digits means water level frequency (10
-1
kHz)
ex) 241 : Water level frequency = 241 X 10
-1
kHz
= 24.1kHz
Pressing number of
[Start/Pause] button
Checking Point
Display Status
F**96(T/Q)D(P)(1~9)
18
7-4. ERROR DISPLAY
If you press the [Start/Pause] button when an error in displayed, any error except software ERROR will
disappear and the machine will change into pause status.
In case of , , , if the error is not resolved within 15 sec. In case of other errors, if the
error is not resolved within 4 min. Power will be turned off automatically and the error only will be
blinked. But in the case of , power will not be turned off.
disappear and the machine will change into pause status.
In case of , , , if the error is not resolved within 15 sec. In case of other errors, if the
error is not resolved within 4 min. Power will be turned off automatically and the error only will be
blinked. But in the case of , power will not be turned off.
ERROR
SYMPTOM
CAUSE
WATER
I
NLET
E
RROR
Water has not reached to the pre-set level within 4 min.
since inlet valve operated, or water has not reached to
the normal level within 25 min.
Page 21
1
U
NBALANCED
E
RROR
2
WATER
O
UTLET
E
RROR
3
OVER
F
LOW
E
RROR
4
The appliance is tilted.
Laundry is gathered to one side.
Non distributable things are put into the drum.
Laundry is gathered to one side.
Non distributable things are put into the drum.
Page 22
Water has not drained enough within 8 min.
Page 23
Water is automatically being pumped out because too
amuch water is in the tub.
Page 25
P
RESSURE SENSOR
S/W
E
RROR
5
The sensor pressure switch is out of order.
Page 26
D
OOR OPEN
E
RROR
6
The [Start/Pause] button is pressed with the door open.
The door switch is out of order.
The door switch is out of order.
Page 27
T
HERMISTOR(HEATING)
E
RROR
7
The thermistor is out of order.
Page 28
P
OWER
F
AILURE
10
The washer experienced a power failure.
C
URRENT
E
RROR
8
PWB ASSEMBLY (Main) is out of order
Replace the PWB assembly (Main)
Winding in the MOTOR is short-circuited.
Replace the MOTOR
MOTOR
L
OCKED
E
RROR
9
The Connector (3-pin, male, white) in the wire harness
is not connected to the Connector (3-pin, female, white)
of MOTOR.
Reconnect or repair the connector
The electric contact between the connectors [3-pin,
male, white in the wire harness and 6-pin, female, white
in the PWB ASSEMBLY (Main]) is bad or unstable.
Reconnect or repair the contact in the connector
The wire harness between the MOTOR and PWB
ASSEMBLY (Main) is cut (open circuited).
The hall sensor is out of order/defective.
Page 29
7-5. TROUBLESHOOTING WITH ERROR
Water Inlet Error (IE)
Is the water tap closed ?
[Note] Environmental safety check list
1. No water tap leakage & freeze.
2. No entanglement of water supply hose.
.
e
g
a
k
a
e
l
e
s
o
h
y
l
p
p
u
s
r
e
t
a
w
o
N
.
4
.
e
g
a
tr
o
h
s
r
e
t
a
w
o
N
.
3
5. No the inlet filter clogged.
5. No the inlet filter clogged.
Check the
Water tap
and open it fully .
When there is water in the tub,
is the water level frequency
over 25.5KHz ?
is the water level frequency
over 25.5KHz ?
Reconnect or repair the
Connector
.
Or replace the
Harness
.
Replace the
Inlet Valve
.
Is the
Connector
connected correctly to
the
Main PCB
and the
Inlet Valve
?
Or is the
Harness
alright ?
Check the
Air Chamber
and
the Tube
(clogged)
And When you check the water level frequency again,
if it is over 25.5KHz, you replace
if it is over 25.5KHz, you replace
the Pressure switch.
YES
YES
NO
NO
Replace the
Main PCB
.
NO
YES
YES
NO
NO
Is the each resistance of Inlet Valve within
3.5 ~4.5 kΩ ?
3.5 ~4.5 kΩ ?
When the washing machine is started,
is operated the inlet valve?
is operated the inlet valve?
Pre. Valve
Main Valve
19
1
2
1
2
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