Read LG WD-7990 Service Manual online
WASHING MACHINE
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE
CORRECTLY BEFORE OFFERING SERVICE.
CORRECTLY BEFORE OFFERING SERVICE.
F1068QDT(5) / WD-1065QDP / WD-7990
MODELS :
MFL62343206
:
.
o
N
/
P
2
C ONT E NT S
1. S P E C IF IC AT IONS ............................................................................................................................. 3
2. F E AT UR E S & T E C HNIC AL E XP LANAT ION ..................................................................................... 4
3. PAR T S IDE NT IF IC AT ION ................................................................................................................. 6
4. INS TALLAT ION .................................................................................................................................. 7
5. OP E R AT ION ................................................................................................................................... 12
5-1. F 1*22T D(1~9) .......................................................................................................................... 12
5-2. F 1*20T D(1~9) .......................................................................................................................... 14
6. WIR ING DIAG R AM / P C B LAY OUT / P R OG R AM C HAR T ............................................................
16
7. T R OUB LE S HOOT ING ......................................................................................................................23
7-1. B E F OR E P R E F OR MING S E R V IC E .........................................................................................
18
7-2. LOAD T E S T MODE .................................................................................................................. 23
7-3. HOW TO K NOW T HE WAT E R LE V E L F R E QUE NC Y ............................................................. 23
7-4. E R R OR DIS P LAY ..................................................................................................................... 24
7-5. T R OUB LE S HOOT ING WIT H E R R OR ..................................................................................... 27
¥ IE (Water Inlet E rror) .............................................................................................................. 27
¥ UE (Unbalanced E rror) ........................................................................................................... 28
¥ OE (Water Outlet E rror) .......................................................................................................... 29
¥ F E (F low over E rror) ............................................................................................................... 31
¥ P E (P ressure S ensor S /W E rror) ............................................................................................ 32
¥ DE (Door open E rror) ............................................................................................................. 33
¥ tE (T hermistor (Heating) E rror) ............................................................................................... 34
¥ LE (Motor Lock E rror) ............................................................................................................. 35
8. T R OUB LE S HOOT ING WIT HOUT E R R OR C ODE S ...................................................................... 37
¥ P F (P ower F ailure or no power) ............................................................................................. 37
¥ Vibation & Noise in spin ......................................................................................................... 38
¥ Detergent & S oftener does not flow in .................................................................................... 39
¥ Water Leak ............................................................................................................................. 40
9. DIS AS S E MB LY INS T R UC T IONS ................................................................................................... 42
10. E XP LODE D V IE W ......................................................................................................................... 49
5-3. F**68*D(P)
.............................................................................................................
23
3
1. SPECIFICATION
Refer Buyer Model on the rating label of the back of Washer
220-240V~,50/60Hz
M
E
T
I
POWER SUPPLY
PRODUCT WEIGHT
OPERATION WATER PRESSURE
CONTROL TYPE
WASH CAPACITY
DIMENSION
DOOR SWITCH TYPE
WATER LEVEL
DELAY FINISH TIME
SENSING OF THE LAUNDRY AMOUNT
FUZZY LOGIC
DISPLAY OF THE REMAINING TIME
ERROR DIAGNOSIS
POWER AUTO OFF
CHILD LOCK
AUTO RESTART
ELECTRICITY
CONSUMPTION
WASHING
SPIN (1400rpm)
DRAIN MOTOR
WASH HEATER
REVOLUTION
SPEED
WASH
SPIN
No Spin~1000 rpm
F10**~
F80**~
F14**~
No Spin~800 rpm
No Spin~1400 rpm
F12**~
No Spin~1200 rpm
50rpm
1.0-10kgf/cm
2
(10-1000kPa)
Electronic
Cotton 8kg (Max.)
600mm(W)x550mm(D)x850mm(H)
Bi-Metal type
9 steps (by sensor)
From 3 hours to 19 hours
Available
Available
Available
Available
Available
10 items
Available
Available
Available
Available
Available
135W
530W
140W
400W
2000W
30W
Base on specification label