LG F1247NDPSPL Service Manual ▷ View online
17
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.
7. TROUBLESHOOTING
7-1. BEFORE SVC CHECKING
7-2. LOAD TEST MODE
1 Press and Hold ‘
Option1
’ & ‘
Rinse
’ buttons
and then press ‘
Power
’ button.
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
1
2
3
4
5
6
2
3
4
5
6
None
1 time
2 times
3 times
4 times
5 times
6 times
7 times
8 times
9 times
10 times
11 times
12 times
13 times
Turns on all lamps and locks the door.
Tumble clockwise.
Low speed Spin.
High speed Spin.
Inlet valve for prewash turns on.
Inlet valve for main wash turns on.
Inlet valve for hot water turns on.
Inlet valve for bleach turns on.
Tumble counterclockwise.
Heater turns on for 3 sec.
Circulation pump turns on.
Drain pump turns on.
Water level Sensor for Steam
Off
rpm (42~50)
rpm (55~65)
rpm (125~155)
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency (25~65)
rpm (42~50)
Water temperature
Water level frequency (25~65)
Water level frequency (25~65)
Water level frequency of TSG (0~255)
-
Number of times the
Start/Pause button is pressed
Check Point
Display Status
18
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY
7-4. HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR
AT OPERATING CONDITION.
The digits means water level frequency. (10
-1
kHz)
ex) 241 : Water level frequency = 241 x 10
-1
kHz
24.1 kHz
Press the
Intensive
and
Option1
button simultaneously.
Press the
Temp.
and
Option1
button simultaneously.
Thermistor in tub temperature.
19
If you press the Start/Pause button in error condition, any error except
will disappear and the
machine will change into the pause status.
In case of
In case of
,
, if the error is not resolved within 20 sec., and 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
blinked. But in the case of
, power will not be turned off.
7-5. ERROR DISPLAY
ERROR
SYMPTOM
CAUSE
WATER
I
NLET
E
RROR
• Not reached to the water level(246) within 8 minutes
after water supplied or not reached to the preset
water level within 25 minutes.
water level within 25 minutes.
Page 21
1
U
NBALANCE
E
RROR
• The appliance is tilted.
• Laundry is gatherd to one side.
Page 22
2
WATER
O
UTLET
E
RROR
• Not fully drained within 10 minutes.
Page 23
3
OVER
F
LOW
E
RROR
• Water is over flowing (over 8 level).
If " " is displayed, the drain pump operates
to drain the water automatically.
Page 25
4
P
RESSURE SENSOR
S/W
E
RROR
• The sensor pressure switch is out of order.
Page 26
5
D
OOR OPEN
E
RROR
• In case of operating the reservation function or the
other function with door opened. Close the door,
then the error display is resolved.
• The door switch is out of order.
Page 27
6
T
HERMISTOR(HEATING)
E
RROR
• The THERMISTOR is out of order.
Page 28
7
MOTOR
L
OCKED
E
RROR
• The connector in the LEAD WIRE ASSEMBLY is
not connected to the connector of STATOR
ASSEMBLY.
Reconnect or repair the connector.
• The hall sensor is out of order/defective.
Replace the STATOR ASSEMBLY
Page 29
8
• Water leaks
Page 34
9
P
OWER
F
AILURE
• The washer ecperienced a power failure
Page 31
10
7-6. 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.
3. No water shortage.
4. No water supply hose leakage.
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 26.2KHz?
is the water level frequency
over 26.2KHz?
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 26.2KHz, you replace
if it is over 26.2KHz, you replace
the Pressure switch.
YES
YES
NO
NO
Replace the
Main PCB
.
NO
YES
YES
NO
NO
Is the voltage of the inlet valve
connector 230 V AC?
(Check the all terminal of
INLET VALVE ASSEMBLY
( while the power is on.)
connector 230 V AC?
(Check the all terminal of
INLET VALVE ASSEMBLY
( while the power is on.)
When the washing machine is started,
is operated the inlet valve?
is operated the inlet valve?
20
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