DOWNLOAD LG F1280NDS / F1280NDS5 Service Manual ↓ Size: 36.48 MB | Pages: 56 in PDF or view online for FREE

Model
F1280NDS F1280NDS5
Pages
56
Size
36.48 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
f1280nds-f1280nds5.pdf
Date

LG F1280NDS / F1280NDS5 Service Manual ▷ View online

BL
BR
YL
1
8
NA
2
3
3
R
D
5
NA
1
Y
L
6
3
1
3
5
2
B
L
1
NOISE FILTER
NA
NA
8
1
3
9
8
5
G
R
2
GR/
YL
3
5
4
8
2
Y
L
7
CON4-1
2
2
O
R
nly
B
L
1
FUSE
Power
2
1
7
4
4
2
4
RD-1
Black
1
3
POWER CORD
6
5
R
D
4
2
1
1
3
1
2
V
L
5
BL
B
L
1
GR
/
YL
RD
O
R
Yellow
3
B
L
4
B
L
4
BL
6
7
4
4
3
6
FUSE
R
D
1
Y
L
2
4
3
6
1
1
RD
3
4
WASHING
5
Heater
2
6
3
Tap Relay
R
D
HEATER
3
2
NATURE
3
BL
W
H
2
Buzzer
Display POWER
YL
G
R
BR
Main PWB&DISPLAY PWB
DATA LINKER
9
7
3
2
Y
L
5
DISPLAY 
1
2
4
B
R
B
R
70
171
321
302
Tap Relay
320
171
02
43
320
BL
BL
43
60
BL
16
Wiring Diagram 3/3
17
PCB Layout (Main)
LCD Display
LCD Display
Circulation Pump
LCD Display
LCD Display
AG SENSOR
Measure R impossible
here Just Check cut-off
LCD Display
LCD Display
Hall Sensor Control
LCD Display
LCD Display
Thermistor
LCD Display
LCD Display
Motor Stator Control
V ~ U / U ~ W
/ W ~ V
R : 8 ~11
W
U
V
LCD Display
LCD Display
PCB POWER
LCD Display
LCD Display
AG
LCD Display
LCD Display
LCD Display
LCD Display
LCD Display
Heater
LCD Display
LCD Display
Display Power
Pressure Switch
&
Aqua stop
&
Measure Hz impossible
Here. Just Check cut-off
Common
Main Valve
3.5~4.5k
Pre Valve
3.5~4.5k
AG Valve
3.5~4.5k
Short
Common
Common
Common
Hb
(5~15K
Ω)
Aqua
stop
Long
LCD Display
LCD Display
Inlet Valve Control
Door S/W
&
DrainPump
Thermistor for wash
Ciculation
Pump
(152~176
Ω)
Door
S/W
Drain
Pump
(152~176
Ω)
Thermistor for AG
19 
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. 
7. TROUBLESHOOTING 
7-1. BEFORE SVC CHECKING 
7-2. LOAD TEST MODE 
1  Press and Hold ‘ 
Option (Left) 
’ & ‘ 
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 





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  
14 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 steam turns on. 
Inlet valve for bleach turns on. 
Heater turns on for 3 sec. 
Circulation pump turns on. 
Drain pump turns on. 
Water level Sensor for Steam 
Steam Heater turns on for 1.2 sec. 
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) 
Water level frequency (25~65) 
Water temperature 
Water level frequency (25~65) 
Water level frequency (25~65) 
Water level frequency of TSG (0~255) 
TSG temperature 
Number of times the 
Start/Pause button is pressed 
Check Point 
Display Status 
1100
1200
20 
7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY  
7-4. HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR 
AT OPERATING CONDITION. 
Press the  
Favorite 
and 
Option (Left) 
button simultaneously. 
Press the 
Option (Left) 
and 
Temp. 
button simultaneously. 
The digits means water level frequency. (10 
-1 
kHz) 
ex) 241 : Water level frequency = 241 x 10 
-1 
kHz 
24.1 kHz 
Thermistor in tub temperature. 
1100
1200
1100
1200
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