LG WM2350HC Service Manual
WASHING MACHINE
SERVICE MANUAL
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL: WM2350H*CMODEL: WM2350H*C
CAUTION
Website: http: //www.LGEservice.com
E-mail: http: //www.LGEservice.com/techsup.html
!
MAR. 2007 PRINTED IN KOREA
P/No.: MFL30599168
2
CONTENTS
1. SPECIFICATIONS .........................................................................................................................3
2. FE
ATURES & TECHNICAL EXPLANATION ................................................................................ 4
3.
PARTS IDENTIFICATION ............................................................................................................ 7
4. INS
TALLATION & TEST ............................................................................................................... 8
5. OPER
ATION ................................................................................................................................11
6. WIRING DIAGRAM/PROGRAM CHA
RT.....................................................................................13
7. TROUBLESHOOTIN
G.................................................................................................................14
7-1. BEFORE PERFORMING SE
RVICE ...................................................................................14
7-2. QC TEST MOD
E.................................................................................................................14
7-3. HOW
TO CHECK THE WATER LEVEL FREQUENCY ......................................................14
7-4. ERROR DISPL
AY ...............................................................................................................15
8. ERROR DIAGNOSIS AND CHECK LIS
T ....................................................................................17
8-1. DIAGNOSIS AND SOLUTION FOR ABNORMAL OPER
ATION ........................................17
8-2.
FAULT DIAGNOSIS AND TROUBLESHOOTING ..............................................................20
9. DISASSEMB
LY INSTRUCTIONS ...............................................................................................27
10. EXPLODED VIE
W .....................................................................................................................35
10-1. CABINET & CONTROL
PANEL ASSEMBLY....................................................................35
10-2. DRUM & TUB ASSEMB
LY................................................................................................36
10-3. DISPENSER ASSEMB
LY .................................................................................................37
3
1. SPECIFICATIONS
ITEM
COLOR W:BLUE WHITE, R:CANDY APPLE RED
POWER SUPPLY AC 120 V, 60 Hz
PRODUCT WEIGH
T 190lb (86kg)
WASHING 280 W
DRAIN MOTOR
80 W
WASH HEATER 1000 W
WASH 46 rpm
SPIN
0-1200 rpm
CYCLE
S 9
WASH/RINSE TEMPERATURES 5
SPIN SPEED
S 5
OPTIONS
Prewash, Rinse+Spin, Extra Rinse, Water Plus, Delay Wash, COLDWASH™
WATER CIRCULATION _
OPER
ATIONAL WATER PRESSURE 14.5
-
116 psi (100-800 kPa)
CONTROL TYP
E Electronic
DIMENSIONS
27” (W) X 293/
4
” (D) X 38
11
/16” (H), 5013/16” (D, door open)
DELAY WASH up to 19 hours
DOOR SWITCH TYP
E PTC + Solenoid
WATER LEVEL 10 steps (by sensor)
LAUND
RY LOAD SENSING Incorporated
ERROR DIAGNOSI
S Incorporated
AU
TO POWER OFF Incorporated
CHILD LOCK Incorporated
RLM ENABLE _
STEAM _
ELECTRIC POWER
CONSUMTIO
N
REVOLUTION SPEE
D
WM2350H*C
WWARNINARNING:G:
To reduce the risk of injury to persons, adhere
to all industry
recommended safety procedures
including the use of long sleeved gloves and
safety glasses. Failure to follow all of the safety
wa
rnings in this manual could result in property
damage, injury to persons or death.
!
4
2. FEATURES & TECHNICAL EXPLANATION
2-1. FEATURES
■
Ultra Capacity
The Larger drum enables not just higher head drop and stronger
centrifugal force, but also less tangling and wrinkling of the
laundry. Heavier loads, such as king size comforters, blankets,
and curtains, can be washed.
■
Direct Drive System
The advanced Brushless DC motor directly drives the drum
without
belt and pulley.
■
Tilted Drum and Extra La
rge Door Opening
Tilted drum and extra large opening make it possible to load
and unload clothing more easil
y.
■
Automatic Wash Load Detection
Automatically detects the load and optimizes the washing time.
■
Built-in Heater
Internal heater helps to maintain water temperature at its
optimum level for selected cycles.
■
Child Lock
The Child lock prevents children from pressing any button to
change the settings during operation.
???°º±?? øπæ‡
???°º±?? øπæ‡
5
2-2. NEURO FUZZY WASHING TIME OPTIMIZATION
To get the best washing performance, optimal time is determined by the water temperature,
the selected washing temperature, and the size of the load.
2-3. WATER LEVEL CONTROL
● This model incorporates a pressure sensor which can sense the water level in the tub.
● The water supply is stopped when the water level reaches the preset level, the washing
program then proceeds.
● Spinning does not proceed until the water in the tub drains to a certain level.
2-4. DOOR CONTROL
● The door can be opened by pulling the door handle whenever washer is not in operation.
● When the cycle is completed, the DOOR LOCKED light will turn off.
● If a power failure has occurred while in operation, the door will unlock after 5 minutes.
● Clicking sounds can be heard when the door is locked/unlocked.
NEURO-
FUZZY
load
size
selected
washing
temperature
water
temperature
washing time
rinsing time
spin rhythm, time
the best
washing
performance
SENSING
PROCESSING
DETERMINATION
EFFECT
6
2-5. THE DOOR CAN NOT BE OPENED
● While program is operating
● When a power failed and power plug is taken out in operation
● While Door Lock lights turn on.
● While the motor is in the process of intertial rotating, through the operation is paused.
2-6. DOOR LOCKED LAMP LIGHTS
● When the frequency of water level is lower than 22.9 kHz
(It can be canceled when the frequency is more than 23.8 kHz)
● When the temperature inside the tub is higher than 45 °C and water level is not 25.5 kHz
(It can be canceled when the water level is 25.5 kHz or the temperature inside the tub is lower than 40 °C)
2-7. CHILD LOCK
● Use this option to prevent unwanted use of the washer. Press and hold PRE WASH button for 3 seconds to
lock/unlock control.
● When Child lock is set, CHILD LOCK Indicator lights and all buttons. You can lock the washer while it is
operating.
7
3. PARTS IDENTIFICATION
■ ACCESSORIES
Hot and Cold
Water Hoses
Non-skid
pads
Wrench
(for removing shipping
bolts
and adjusting and
locking
leveling feet)
Tie
Strap
(for
securing
drain
hose)
Elbow
Bracket
(for
securing
drain
hose)
Caps (4)
(for
covering
shipping
bolt holes)
Door Seal
Drain Hose
Dispenser
Door
Lower Cover Cap
Drain Plug
Drain Pump Filter
Adjustable Feet
Drum
Control Panel
Power Plug
Shipping Bolts
8
Before servicing, ask the customer what the trouble is.
Check the setup (power supply is 120 V AC, remove the transit bolts....).
Check with the troubleshooting guide.
Plan your service method by referring to the disassembly instructions.
Service the unit.
After servicing, operate the appliance to see whether it functions correctly.
■ STANDARD INSTALLATION
The appliance should be installed as follows:
REMOVE THE SHIPPING INSTALL THE APPLIANCE ADJUST THE
BOLTS
ON A FLAT AND FIRM SURFACE
LEVELING
• Remove the 4 shipping bolts • Turn the leveling feet to adjust
with the supplied wrench. the appliance.
※ Do first lower side to remove easily.
• Keep the shipping bolts and
spanner for future use.
• Insert the 4 caps
(provided) into the hole.
• Turn clockwise to raise;
counterclockwise to lower.
4. INSTALLATION & TEST
9
■ HOW TO CONNECT THE INLET HOSE
• Verify that the rubber washer is inside of the
valve connector.
• Tighten the inlet hose securely to prevent leaks.
■ CONNECT THE DRAIN HOSE
■ CONNECT POWER PLUG
※ The end of the drain hose should be placed less than 96”from the floor.
· Connect the power plug to the wall outlet.
· Avoid connecting several electric devices, as
doing so may cause a fire.
· Make sure that the hose is not twisted.
· Avoid submerging the end of the hose.
10
SOFTENER
MAX
TEST OPERATION
•Connect the power plug to
the outlet.
•Connect the inlet hoses.
•Power off and the power on.
•Press the SPIN SPEED button.
•
Press the START/PAUSE button.
•Check the spin and drain
functions.
•
Listen for a click to determine
if the door is unlocking.
•Listen for a click to determine if
the door has locked.
•If SVC is needed during check,
remove the remaining water by
pulling out the hose cap.
Preparation for Press the POWER button. Press
the
Start/Pause
washing. button.
•Press the WASH/RINSE button •Check if the drum rotates •Check if water is supplied
and the present temperature will
clockwise and counterclockwise.
through the detergent dispenser.
be displayed.
Check the water heating Check the automatic Check the water supply.
function. reverse rotation.
Check the drain and spin
Press the
Water removal
functions.
START/PAUSE button.
11
5. OPERATION
• WM2350H*
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