LG DWD-1074FB Service Manual ▷ View online
12
6. WIRING DIAGRAM
(option)
GN/YL
■ WD(M)-8070F(H)B, WD(M)-1070(5)F(H)B, WD(M)-1170(5)F(H)B, WD(M)-1270(5)F(H)B, WD(M)-1370(5)F(H)B
WD(M)-8074F(H)B, WD(M)-1074(6)F(H)B, WD(M)-1174(6)F(H)B, WD(M)-1274(6)F(H)B, WD(M)-1374(6)F(H)B
WD-8078FHB, WD-1078FHB, WM-1171(6)FHB, WM-1371(6)FHB, WD-1271FB(B), WD-1071FB(B)
WD-8078FHB, WD-1078FHB, WM-1171(6)FHB, WM-1371(6)FHB, WD-1271FB(B), WD-1071FB(B)
■ WD-8070F(H), WD-1070(5)F(H)
❋ Pre Wash : If the laundry is heavily soiled, “Pre Wash” course is effective. Pre Wash is available in Coloureds, Whites and
Synthetic Program.
❋ Eco : By selecting Eco function, the water temperature is reduced and washing time is lengthened. So you can economize in your
consumption of energy.
❋ Rinse+ : If you wish to rinse more, the Rinse+ function will remove any trace of detergents.
❋ Bio : If you want to elimenate protein stains (milk, blood, chocolate...), you may select Bio function by pressing the option button.
❋ You can select Bio function and Eco function when temperature is higher than 60˚C in Whites, Coloureds and Synthetic.
❋ Bio : If you want to elimenate protein stains (milk, blood, chocolate...), you may select Bio function by pressing the option button.
❋ You can select Bio function and Eco function when temperature is higher than 60˚C in Whites, Coloureds and Synthetic.
13
7. PROGRAM CHART
8-1. BEFORE PERFORMING SERVICE
■ Be careful of electric shock or disconnecting the parts while troubleshooting.
■ Voltage of each terminal in 220-240V~ and DC while applying an electric current.
■ Voltage of each terminal in 220-240V~ and DC while applying an electric current.
8-2. QC TEST MODE.
① Pressing Spin, and Temp button simultaneously.
② Power supply ON with pressing upper two button. then buzzer sound twice.
③ Press the START/PAUSE button as follows.
② Power supply ON with pressing upper two button. then buzzer sound twice.
③ Press the START/PAUSE button as follows.
~Press the START/PAUSE button more 4 times until stop spinning₩
8-3. HOW TO KNOW THE WATER LEVEL FREQUENCY
Press the Option and Spin button simultaneously.
ex) 241 : Water level frequency = 241
× 10-1㎑
=24.1
㎑
14
8. TROUBLESHOOTING
The digits means water level frequency (10
-1
㎑
)
Pressing number of
［START/PAUSE］button
Checking Point
Display Status
None
All lamps turn on
1 time
Clockwise spin (right)
Motor rpm (About 45)
2 times
Low speed spin
Motor rpm (About 63~67)
3 times
High speed spin
Motor rpm (About 79~85) : WD(M)-8070(4)F(H)(B)
Motor rpm (About 100~106) : WD(M)-1070(5)F(H)(B)/WD(M)-1074(6)F(H)B
Motor rpm (About 107~103) : WD(M)-1170(5)F(H)B/WD(M)-1174(6)F(H)B/WM-1171(6)FHB
Motor rpm (About 114~120) : WD(M)-1270(5)F(H)B/WD(M)-1274(6)F(H)B
Motor rpm (About 122~127) : WD(M)-1370(5)F(H)B/WD(M)-1374(6)F(H)B/WM-1371(6) FHB
4 times
Inlet valve for pre-wash operation
Water level frequency (25~65)
5 times
Inlet valve for main-wash operation
Water level frequency (25~65)
Hot inlet valve in case of hot water fill
6 times
Inlet valve for main-wash operation
Water level frequency (25~65)
7 times
Counterclockwise spin (left)
Motor rpm (About 45)
8 times
A heater is in operation for 3 sec.
Water temperature
9 times
Draining pump operation
Water level frequency
10 times
Auto off operation
8-4. ERROR DISPLAY.
If you press the Start/Pause button when an error in displayed, any error except
will disappear
and the machine will change into pause status.
In case of
if the error is not resolved within 20 sec. In the case of other errors,
if the error is not resolved within 4 min. power will be turned off automatically and the error code will
blink. But in case of
blink. But in case of
, power will not be turned off.
15
ERROR
SYMPTOM
C
CA
AU
US
SE
E
1
WATER INLET
Water has not reached to the pre-set level within 4 min. since
ERROR
inlet valve operated, or water has not reached to the normal
level within 25 min.
2
IMBALANCE
The appliance is tilted.
ERROR
Laundry is gathered to one side.
Non distributable things are put into the drum.
3
DRAIN ERROR
Water has not drained enough within 5 min.
4
OVERFLOW
Water is automatically being pumped out because too much
ERROR
water is in the tub.
5
SENSOR PRESSURE
The sensor pressure switch is out of order.
S/W ERROR
6
DOOR OPEN
The
~Start/Pause₩
button is pressed with the door open.
ERROR
The door switch is out of order.
7
HEATING
ERROR
The thermistor is out of order.
8
SENSOR
The connector (5-pin, male, white) in the wire harness is not
ERROR
connected to the connector (5-pin, female) of hall sensor in
the MOTOR.
’ Reconnect or repair the contact in the connector.
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