Daewoo C-EC-ED124X, D-ED124X, C-ED125X, D-ED125X Service Manual

Service Manual

Drum Washing Machine

Model: C-ED124X/D-ED124X

C-ED125X/D-ED125X

May. 2008

Caution

: In this Manual, some parts can be changed for improving,

their performance without notice in the parts list. So, if you

need the latest parts information, please refer to PPL(Parts

Price List) in Service Information Center (http://svc.dwe.co.kr).

S/M No. : CED124X001

DRUM WASHING MACHINE

SERVICE MANUAL

1. WHAT IS DRUM?..........................................................................1

2. WASHER SPECIFICATION..........................................................4

3. OPERATING MECHANISM DIAGRAM.........................................6

4. EACH PART OF DRUM WASHING MACHINE ............................8

5. PARTS LIST BY ASS'Y...............................................................10

6. CONTROL PART FUNCTION SPECIFICATION ........................25

7. ELECTRONIC FIELD SPECIFICATION......................................42

8. WIRING DIAGRAM .....................................................................64

9. TROUBLE SHOOTING REGARDING DRAIN ............................66

10. INSTALLATION.........................................................................67

11. ATTENTION POINT WITH SERVICING ...................................69

1

Water consumption is reduced by using the power of the laundry falling (free-fall) created when rotating
the drum. With temperature control system, this drum washing machine saves energy and improves
washing performance at the same time.

1. WHA T IS DRUM W ASHING MACHINE?

1. Drum Washing Machine

" The biggest capacity with compact size

11Kg Capacity enable to wash bigger laundry.

" Sumultaneous supply of cold and hot water

As cold and hot water is supplied at the same time
heating time and energy is saved.

" Luxury Audio Dial

Using the advanced Audio Dial is luxury design of
exterior.

" DD inverter motor

The direct-drive type of which motor is directly
connected to drum without an interim chuth,
significantly reduces noise and vibration.

" Self-Cleaning Course of Drum.

Enable to Self-Cleaning of Drum.

" Digital Condensing Dry System.

Condensing Dry System with saveing energy .

" For pump drainage, the powerful pump speeds up

drainage process.

2. Key Features

2

#DD Control: Direct drive type of direct connection between drum and motor
#Rotation by powerful high-performance BLDC motor
#Pump drainage type for built-in installation and Natural drainage

3. Power System

$%&'!()*+,*-.

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234567

82(9

2:;/(7< 2:;/(7<

3

4. Major Functions

# Washing

When rotating drum after putting in the laundry and detergent into the drum, the laundry are rotated by
protrusions (lifters) attached inside the drum.
Washing is carried out with bending and impact actions generated by falling of the laundry to the
bottom part of drum.

$ Rinsing

Rinsing cleanly washes out detergent and dirt removed from the laundry after washing cycle.

% Spin-drying

Weak, standard and strong spin cycle can be selected according to types of fabrics to be washed. spin­wringing is carried out by rotation (the centrifugal force) of drum according to the designated speed.

& Drainage

Pump Drainage: Powerful pump for built-in installation and application of filter to remove foreign
substances
Natural Drainage: Applied Natural Drainage as the same pullsator.

4

== //>>))&&**11

2.WASHER SPECIFICATION

1. Product Specification

NO PARTS NAME

1CABINET F
2 FRAME DOOR O
3 PROTECT GLASS
4 PANEL F
5 CASE DETERGENT
6PLATE TOP
7 CABINET
8 BUTTON DIAL

?

@

A

B

C

D

E
F

DIMENSION(WxDxH) 630mm(W) x 755mm(D) x 950mm(H)
MACHINE WEIGHT 85 kg
WATER CONSUMPTION WASH 94 / DRY 28
WASHING CONSUMPTION 28
POWER SOURCE 220V/60Hz
POWER WASHING 200W (Heating ) ~ 2000W
CONSUMPTION DRY 2100W

WASHING 11 kg

CAPACITY SPIN 11 kg

DRY 6.5 kg
WASHING TYPE DRUM TYPE
DRY TYPE Digital condensing dry system
OPERATION WATER PRESSURE 29kPa ~ 784kPa(0.3kgf/cm

2

~8kgf/cm2)

5

GG $$))..&&++%%&&

NO PARTS NAME

1 CABINET F
2 FRAME DOOR O
3 PROTECT GLASS
4 PANEL F
5 CASE DETERGENT
6PLATE TOP
7 CABINET
8 BUTTON DIAL

DIMENSION(WxDxH) 630mm(W) x 755mm(D) x 950mm(H)
MACHINE WEIGHT 85 kg
WATER CONSUMPTION WASH 94 / DRY 28
WASHING CONSUMPTION 28
POWER SOURCE 220V/60Hz
POWER WASHING 200W (Heating ) ~ 2000W
CONSUMPTION DRY 2100W

WASHING 11 kg

CAPACITY SPIN 11 kg

DRY 6.5 kg
WASHING TYPE DRUM TYPE
DRY TYPE Digital condensing dry system
OPERATION WATER PRESSURE 29kPa ~ 784kPa(0.3kgf/cm

2

~8kgf/cm2)

?

@

A

B

C

D

E
F

3. OPERA TING MECHANISM DIAGRAM

6

4. WATER SUPPLY PART

• Cold Water: 3 holes
Cold water, pre-washing

• Hot Water: 1 hole

• Water supply box, hose

Water

Supply

Detergent
Container

Thermister

Door

Door
Switch

Drainage

Pump

Washing

Heater

5. DOOR

• Door lock S/W

• Lock hinge

• Door AS: Glass

• Gasket

6. DRY PARTS

• HEATER DRY : OPTION

• BLOWER FAN

• FAN MOTOR : BLDC

• THERMISTOR

• THERMOSTAT
: FUSE, BI-METAL

• CONDENSING SYSTEM

• DRY FAN DRIVE

→ GENERATION OF HEATER’S

HEAT

→ TEMP. SENSOR

→ 110°C Off 100°C On : OPTION

7. DRAINAGE PART

• Drainage pump

• Valve housing

• Hose

7

Thermister

BLD

C

Motor

Drum

Program

Electricity Input
Noise Filter

8. SUPPORTER

• DAMPER AS : Front 2(70) / Rear 2(110N)

• Spring : 2

3. HEATING PART

• Water Heater: 1000W

• Washing temperature sensor

2. DRIVING PART

• BLDC motor

• Drum

• Bearing

• Spider/ shaft

• Tub

• Weight balancer

1. CONTROL PART

• Main PCB

• Front PCB

• Harness

• Noise filter

• Power Cord: 15A

8

4. EACH P ART OF DRUM WASHING MACHINE

1. CONTROLLER

(1-1) MAIN PCB
(1-2) FRONT PCB
(1-3) NOISE FILTER

3. INLET PARTS

(3-1) 3-WAY INLET VALVE
(3-1) 2-WAY INLET VALVE
(3-2) 1-WAY INLET VALVE (HOT)
(3-3) INLET BOX AS

4. DOOR AS

(4-1) GLASS DOOR
(4-2) HINGE DOOR
(4-3)DOOR LOCK S/W

6. WASH HEATING

• WASH HEATER

• THERMISTOR

5. DRY : DUCT B AS

2. PARTS for DRIVING

(2-1) LIFTER AS
(2-2) GASKET
(2-3) WEIGHT BALANCER
(2-4) ROTOR
(2-5) STATOR
(2-6) SHAFT
(2-7) BEARING
(2-8) SPIDER
(2-9) DRUM
(2-10) TUB
(2-11) BASE

BLDC MOTOR

PARTS for

TRANMITTING

• FAN
MOTOR

(2-9)

(2-6)

(2-7)

(2-4)

(2-5)

(2-11)

(2-10)

• TEMP. FUSE

• BI-METAL
S/W

• HEATER DRY

• TEMP.
SENSOR

(2-7)

(2-8)

• FAN

9

7. DRAIN

(7-1) PUMP AS
(7-2) HOSE DRAIN I
(7-3) HOSE DRAIN

8. SUPPORTER

(8-1) BASE U
(8-2) DAMPER AS : 3(70N)
(8-3) SPRING :

FRONT - 2 (BLACK)
REAR - 2 (YELLOW)

(5) (3-3)(3-2) (1-2)

(2-2)

(4-3)

(4-1)

(4-2)

(2-3)
(7-2)

(7-1)
(8-1)

(7-3)(8-2)(1-1)(1-3)

(2-1)

(6)

(8-3)

(3-1)

• TEMP.
SENSOR

10

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6. CABINET AS

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24

6. CONTROL P ART FUNCTION SPECIFICA TION

1. SEQUENCE CHART

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F./9=!-:38!,:!TPP!98A*!SK!:.3!50d,D,063!=,:,!/-!>@39!:.3!69/:39/>0
F./-!89>63--!</DD!d3!9383,:3=*

% XK:39!=9,/0H!6.36?!:.3!50d,D,063!=,:,!,1,/0*!F./-!/-!->(6,DD3=!d,D,063!-8/0!-:38*

'7!;9>839:L!>K!d,D,063!-8/0

# J>0=56:/01!'P!:/A3-!A,j/A5A*
$ SK!:.3!<,-.39!6,0!0>:!8,--!d,D,063!-8/0!-:38!=59/01!'P!:/A3-H!:.30!<,:39!</DD!d3!-588D/3=*
% SK!:.3!<,-.39!6,0!0>:!8,--!'P!:/A3-!>K!d,D,063!-8/0H!iI!399>9!A>=3!</DD!d3!=/-8D,L3=!>0!E)[k[[E

TT((TT**!!BBWWWWcc!!22ff++

)7!F.3!<>9?/01!89/06/8D3!>K!B>>9!2f+

# B>>9!C>6?/01

a/A3:,D!>0!]T!-367!((m!->D30>/=!]-588DL!'PA-36!85D-3!'!:/A3-7

$ B>>9!i0D>6?/01

a/A3:,D!>KK!((m!->D30>/=]-588DL!'PA-36!85D-3H!50:/D!D>6?7
% XK:39!=>>9!D>6?/01!,DD!8,9:-!6,0!<>9?!0>A,DDL*
& XK:39!893--/01!8><39!d5::>0H!/K!:.3!:3A839,:593!>K!<,-.!:.39A/-:>9!/-!>@39!\\Q >9!:.3!<,:39

D3@3D!/-!>@39!:.3!-,K3:L!D3@3DH!:.3!=>>9!</DD!d3!D>6?3=*
n F.3!=>>9!</DD!d3!50D>6?3=!/AA3=/,:3DL!,K:39!,DD!89>63--3-!,93!K/0/-.3=*
o F.3!=>>9!6,0!d3!>8303=!=59/01!89>63--/01!/K!:.393!/-!0>!89>dD3A!:>!50D>6?*

3. Main Function of PCB Program

34

'7!BWWc!W;IG!2p2FIV

# SK!,==!:.3!D,50=9L!=59/01!<,-./01H!893--!:.3!=>>9!50D>6?!d5::>0*
$ B>>9!>830!-3453063!,:!,d0>9A,D!6>0=/:/>0*

TT((OO**!!JJ..//DD==!!CC>>66??

# ;93--!:.3!_F3A8_!,0=!_J>0=30-/01!B9L_!d5::>0!-/A5D:,03>5-DL!=59/01!89>63--/01*
$ i0=39!:.3!J./D=!C>6?!K506:/>0H!>0DL!8><39!d5::>0!/-!<>9?/01*
% B59/01!J./D=!C>6?!K506:/>0H!JMC!</DD!d3!=/-8D,L3=!>0!E)[k[[E
& S0!>9=39!:>!50D>6?!J./D=!C>6?!A>=3H!893--!_28/0_!,0=!_J>0=30-/01!B9L_!-/A5D:,03>5-DL*

TT((\\**!!FF..33!!--33445533006633!!>>KK!!==99,,//00

# SK!:.3!6.36?/01!:/A3!:>!93-3:!8>/0:!/-!d3D><!)!A/0H!:.3!93A,/0/01!=9,/0!:/A3!/-!TP!-36*
$ SK!:.3!6.36?/01!:/A3!:>!93-3:!8>/0:!/-!>@39!)!A/0H!:.3!93A,/0/01!=9,/0!:/A3!/-!'!A/0*
% SK!:.3!6.36?/01!:/A3!:>!93-3:!8>/0:!/-!>@39!)P!A/0H!WI!-/10,D!</DD!d3!,883,93=!>0!;Ja*
& SK!:.3!:3A839,:593!/-!>@39!\PQ H!:.3!<,:39!</DD! d3! -588D/3=! :>!./1.!<,:39!D3@3DH!:.30!:.3!=9,/0! </DD

-:,9:*

35

"#

"#

$%&

$%&

Start/Hold

Door unlock button,

2sec ON

DISPLAY

‘LOCK’ OFF

Door Open

Cold water

supply

Drainage

Water level is less than

safety level?

Temperature is less

than 50e?

36

5-1. Testing Mode

PCB and other electronic parts will be tested without water supply whether they are normal or not.

1) Process
press power button --> press "SPIN" button 3 times with pressing "WASH" button --> 'L d' will be shown on LED -->
Whenever pressing "TEMP" button 1 time, below process will be occurred.
MICOM V er. --> L C (Lock Closed) --> run (count) ---> b1, b2, b3, b4, b5, b6, b7

-> F (Fan Motor) -> H (Hot V/V)

-> C (Cold V/V) -> P (prewashing V/V) -> d ( dry V/V) -> bb (bubble)

-> dr (drain motor) -> L O(Lock S/W Open)

2) More details
1 When turn on 'LOCK' signal, all process is conducting normaly .
2 When working starts, the PCB displays all the sensor conditions.
3 In this case, BLDC Motor is not tested. In order to test it, select spin or rinse.

5-2. Continous testing mode

1) Process
after pressing "WASH", "RINSE", "SPIN" button simultaniously , press "POWER" button.
ALL LED On --> SPIN button ---> ALL LED off

--> L C (Lock Close) ---> r (Motor right) --> L (Motor Left)

--> F ( Fan Motor) ---> H (Hot V/V) --> C (Cold V/V) --> b (Pre whsh V/V) --> d ( dry V/V)

--> bb (bubble) --> h1 (W ash heater)--> h2(Dry heater) --> dr (Drain motor On)

-->L O(Lock S/W Open)

2) More tails

1 LED test can be done with all LED On.
2 All sensor conditions will be shown on PCB during processing.

5. TEST MODE

37

6-1. IE (Input Error) - Error in water supply

1) Conditions of Occurrence
# In case the designated water level is not reached in 5 minutes during water supply or re-supply

2) All LEDs are turned off and 'IE' blinks in18:88 display.

3) Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

4) Error display is cleared when turning off/ on power.

6-2. OE (Output Error) - Error in drainage

1) Conditions of Occurrence
# In case water level does not reach reset point in 10 minutes after drainage starts

2) All LEDs are turned off and 'OE' blinks in 18:88 display.

3) Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

4) Error display is cleared when turning off/ on power.

6-3. UE (Unbalance Error)

1) Conditions of Occurrence

# In case main spin-drying is not reached within 20 cycles of balance spin-drying
$ In case balance spin-drying fails during interim spin-drying, UE occurs as the cycle moves to the next

process.

2) All LEDs are turned off and 'UE' blinks in 18:88 display.

3) Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

4) Error mode is cleared by opening door and organizing the laundry in spin-dry chamber, closing door and
pressing start/ temporary stop button. Then, spin-drying begins again.

6-1. Error Display

38

6-4. LE (Lock Error) - Door opening error

1) Conditions of Occurrence
# When intending to begin cycle by pressing start/ temporary stop button while door is opened

2) All LEDs are turned off and 'LE' blinks in 18:88 display.

3) Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

4) Error display is cleared when turning off/ on power.

6-5. E1 - Water level detection error

1) Conditions of Occurrence
# In case water level is below reset or overflow is detected in line test mode

2) Water supply motor is kept on until water level falls below reset.

3) All LEDs are turned off and 'E1' blinks in 18:88 display.

4) Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

5) Error display is cleared when turning off/ on power.

6-6. E2 - Overflow error

1) Conditions of Occurrence
# In case water level in water tank is above overflow level due to continuous operation of water supply

valve

2) Water supply motor is kept on until water level falls below reset.

3) All LEDs are turned off and 'E2' blinks in 18:88 display.

4) Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

5) Error display is cleared when turning off/ on power.

39

6-7. E4 - Water leakage during washing

1) Conditions of Occurrence
# In case water level falls below re-supply even after 15 times of re-supply prior to finishing of water

heating

2) All LEDs are turned off and 'E4' blinks in 18:88 display.

3) Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

4) Error display is cleared when turning off/ on power.

6-8. E9 - Abnormalities in water level sensor

1) Conditions of Occurrence
# In case water level frequency is of 15KHz or lower and 30KHz or higher during cycle due to

abnormalities in water level sensor, etc.

2) All LEDs are turned off and 'E9' blinks in 18:88 display.

3) Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

4) Error display is cleared when turning off/ on power.

40

6-9. Motor-related Error

1) E5 (DC-Link High Voltage) Error

# In case DC-link voltage to IPM increases to 450V or higher
$ Motor operation is stopped and 'E5' is shown in display window.
% Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
& Error display is cleared when turning off/ on power.

2) E6 (EMG) Error

# In case current detected with EMG port is of 20A or higher
$ Motor operation is stopped and 'E6' is shown in display window.
% Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
& Error display is cleared when turning off/ on power.

3) E7 (Direction) Error

# In case signal of Hall IC is different from the predicted signal according to direction of rotation
$ Motor operation is stopped and 'E7' is shown in display window.
% Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
& Error display is cleared when turning off/ on power.

4) E8 (Initial Operation Fail) Error

# In case input signal of Hall IC is abnormal due to problems in motor connection, etc.
$ Motor operation is stopped and 'E8' is shown in display window.
% Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
& Error display is cleared when turning off/ on power.

6-10. Error in Temperature Sensor

1) H2 Error - Washing temperature sensor open/ short

# In case washing temperature sensor is defective or not connected
$ Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
% Error display is cleared when turning off/ on power.

2) H4 Error - Washing temperature sensor overheating

# In case temperature detected by washing temperature sensor is 95Q or higher
$ Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
% Error display is cleared when turning off/ on power.

41

3) H5 Error - Water temperature error in wool/ delicate course

# In case water temperature in wool/ delicate course is 45Q or higher
$ Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
% Error display is cleared when turning off/ on power.

4) H6 Error - Abnormality in washing heater
# Within 15 minutes after heater operation begins;

In case standard temperature is of 42Q or lower: If temperature does not increase by 2Q or more In
case standard temperature is higher than 42Q: If temperature does not increase by1Q or more

$ If temperature falls below standard temperature by 2Q or more due to re-supply of water, etc.,

standard temperature is reset as the current temperature and error check time of15 minutes is reset.

% Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
& Error display is cleared when turning off/ on power.

5) H8 Error - Washing heater overheating
# In case washing heater temperature increases by 5Q or more within 30 seconds when there is no

water in tank, etc.

$ Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
% Error display is cleared when turning off/ on power.

42

7. ELECTRONIC FIELD P ARTS LIST AND SPECIFICA TION

"#$%&!'()*+

,-./ 0%1%2,345

"#$%&

'6#%3#5!()*+

LOCK 1

(gray)

LOCK 2

(purple)

Ha

(brown)

Hb

(purple)

Hc

(gray)

5V

(red)

U

(yellow)

V

(blue)

W

(white)

GNC

(black)

GND1

(black)

Vdd1

(purple)

L/F

(white)

GND2

(gray)

Vdd2

(pink)

Ha

(yellow)

T2

(orange)

T1

(brown)

COLD

(green)

PRE

(orange)

DRY

(yellow)

L/CHCK

(blue)

HOT

(brown)

D/M

(black)

B/B

(white)

red
red

red

brown

3:P/CORD(blue)

4:W/HEATER(blue)

RELAY

W

(blue)

V

(purple)

U

(pink)

"#$%&!'()*+,'

1. PCB PIN

43

2. VALVE INLET

Rre-washing Water

Input Valve

Washing Water Input

Valve

Hot Water Input Valve

M4-4
: CABINET 4

Bleach Input

Valve

Classification

Code
Color

Coil Resistance

Use

Appearance

Structure

3-hole Valve and Hot Water Valve

3-hole: 3615416940, Hot Water: 3615416700

Gray

4320 ~ 5280 .

Supplying water for washing/ pre-washing and bleach

Water not

supplied

Water supply not
carried, only noise
is heard

Water supply not
carried out without
noise

Water tap not opened
Coil short

Excessive foreign
substances in SUS filter

Foreign substances in
valve

Connector loosened
Coil short

Wiring short
Defect in water level

sensor
Defect in pressure hose
Defect in water supply

valve
Defect in water supply

valve assembly, etc.

Check for tap opening.
Check if resistance between water supply valve terminals is

within 4320~5280..
Remove water supply hose and check for foreign substances in

filter.

­Visually check connector connection status.

Check if resistance between water supply valve terminals is
within 4320~5280..

Wiring short -> Conduction test
Refer to water level sensor defect check method.

Check for blocking of holes in pressure hose.

-

Floater restraint, loosening -> S/W not working
Check for leakage through the sides of water supply valve.

Continuous water
supply in power
'on' state

Continuous water
supply in power 'off'
state

Water leakage
through sides

Others

Water is

continuously

supplied

(inside tub)

PCB Error

Mode

"IE"
"IE"

"IE"
"IE"
"IE"

"IE"
"IE"

"E2"
"E2"

-

-

Symptoms of

Breakdown

Detailed

Symptoms

Cause Diagnosis of Defect

Open water tap.

Clean out foreign substances
from inside the filter.

Replace water supply
valve.

Administer re-insertion.
Replace water supply

valve.

Replace water level
sensor.

Replace defect parts.
Replace water supply

valve.
Replace water supply

valve.

Solution

44

Defect in
Water
Supply

Water supply not
carried out (IE)

Continuous water
supply (IE)

Immediate water
supply when power
is turned on

Water supply
continued when
power is turned off

• Defect in water supply valve

• Defect in PCB • Water supply relay short

• Suspension of water supply

• Tap frozen

• Tap closed

• Hot & cold water hose switched for connection

• Low water pressure (0.2kgf/cm or less)

• Blocking of water supply valve filter by foreign substances

• Defect in cold & hot water valve

• Defect in connection of water supply terminal (not connected)

• Defect in pressure switch

• Defect in PCB

• Defect in water supply valve

• Leakage in air hose (air leakage from pressure switch hose)

• Air trip blocked, damaged

• Defect in pressure switch

• Defect in drainage valve: Continuous water supply

• Blocking by foreign substances in drainage bellows

• Defect in PCB

• Defect in water supply relay drive circuit

• Water supply relay open

• Water supply relay short

45

Symptoms of

Breakdown

Water

supply not

carried out

Water

supply not

carried out

Continuous

water supply

Inspection Result

- Cold/ hot water hose switched

-Large amount of rust, sand and
dust, etc.

-5.3kW or higher

-Connector loosened/ not
inserted

-Electric wire short

-Sound and defect in water
supply due to foreign
substances in bellows

-E9

Electric wire easily loosened
when tugged
PCB water supply circuit open,
damaged (water supply relay
operation not carried out)

PCB water supply circuit or
relay short (continuous
conduction to valve)

Water supply bellows
blocked/ deformed

-Not closed due to foreign
substances inside drainage
housing

-Wire caught by foreign
substances outside drive
motor

-Forced restoration not possible

Problem Identified

-Defect in cold/ hot water
hose assembly

-Defect in cleaning of water
supply filter (blocked)

-Coil short

-Connection defect

-Electric wire short

-Structural defect in water
supply valve

-Loosening of pressure S/W
terminal or electric wire
short

-Defect in pressure S/W

Pin connector housing not
inserted
Defect in water supply circuit

Water supply relay short

Defect in water supply valve

-Foreign substances in valve
housing

-Foreign substances

-Defect in drive motor
restoration

Repair Method

-Assemble cold/ hot
water hose correctly.

-Clean water supply filter.

-Replace water supply
valve.

-Try reconnection or
remove elements of
connection defect.

-Try reconnection or
remove elements of
connection defect.

-Replace water supply
valve.

-Connect terminal of
pressure S/W.

-Connect terminal of
PCB.

-Replace pressure S/W.

Completely insert
connector housing.
Replace PCB.

Replace PCB.

Replace water supply

valve.

-Remove foreign
substances.

-Remove foreign
substance.

-Replace drive motor.

Inspection

Spot

Water

supply valve

Pressure

Switch

PCB

PCB

Water

supply valve

Drainage

drive motor

(valve

housing)

Inspection Method

1) Suspension of water supply

2) Water tap locked

3) Cold-hot water hose incorrectly
connected

4) If no defect is found, dismantle water
supply hose and check water supply
valve filter.

1) Measure coil resistance in water
supply valve.

2) Remove top cover and visually
check for separation of water supply
valve terminal connector and wiring
short/ connection status.

3) In case water valve operation sound
is heard, but water supply is not
carried out, check for blocking of
water supply valve or restraint on
plunger.

1) Check for ‘E9’ in display window.

1. Check PCB pin connector insertion
status.

2. Power is supplied to water supply
valve terminal, but water supply is
not administered.

1. Immediate supply when power is
turned on

1. Check if water supply is continuously
carried out even if power is not on.

1. Check for normal operation of water
supply valve/ water supply status.

2. Check if water is drained through
drainage hose.

3. Check for foreign substances inside
valve housing.

4. Check for foreign substances in drive
motor wire.

5. Forcefully restore SUS wire.

46

3. Water Level Sensor

1) Spec. of Water Level Sensor

(kHz)

HEATER SAFETY

24.55

STEAM

24.736

RESET

25.2

LOW

23.2

MID

23.75

RINSE

23.18

ADD WATER

22.96

OVERFLOW

22.6

Symptoms Detailed Symptoms Cause Diagnosis Solution

PCB Error

Mode

2) Breakdown Analysis

O/F: Forced drainage is

necessary as water
level is high. When
this level is reached,
water supply must be
stopped and drainage
must be forcefully
administered.

RESET :

1. Spin-drying begins
30sec after drainage
level reset is reached.

2. Heater operation level

Low: Small load of laundry , therefore considered to be

water level of 'low'

Medium: Large load of laundry

Medium High: W ater level for rinsing

Safety: Door open possible

Door opened only when water level is below
safety level

Continuous
water
supply

"E9"

Water valve normal

Occurrence in water level
sensor
30kHz or higher

Defect in pressure sensor
hose

Blocking of pressure sensor
hose

Connector loosened

Wiring short

Check for holes.

Visual checking

Visually check connector
connection status.

Wiring short ->
conduction test

Replace hose.

Remove foreign substances.

Administer re-insertion.

"E2"

"E2"

"E9"

"E9"

47

1) Specificafion

4. POWER CORD

Classification Rated

Cord Thickness

Color Code Type Length Remarks

3611339340

DEC 250V/15A 1.5sq Gray 3611339301 EU-2P 2.3m -

3611339930

2) Assembly

4 embossed parts in cabinet

-> To prevent loosening after assembly

-> SS: 2 special screws

-> LG: Forced indentation

. CONNECTOR

-> #1806 Housing 3P Used: Using both ends only and not the hole in the middle (materials highly
resistant to flame)

-> To prevent fire caused by high current

[Before] [After]

48

5. DOOR LOCK SWITCH

1) DOOR LOCK S/W

78"/!09:; :;(0"<7/<9=

>?@ABC?CBB :99"!D90E!!:DF(@!GHBI!7/0F(9D;=9<:!/J7;

49

4) Diagnosis of Defect

Symptoms Detailed Symptoms Cause Diagnosis of Defect Solution

Error

Mode

Ticking
noise

LE'

Door does
not open.

Tick' during initial
operation and 'tick-tick'
during temoprary
suspension: 'DF' type
only

Continuous occurrence
of 'tick' noise
and 'LE': 'DF' type only

1. 'LE' occurrence
without 'tick' noise in
'DF' type

Power failure, forced
power off during
operation

No power failure and
power on

Others

Normal noise

Connector loosened

Terminal loosened from
connector

Door not completed
closed

Abnormality in hook of
door

Defect in catch CAM
operation

Connector loosened

Terminal loosened from
connector

Breaking of solenoid coil

Water in drum

Inside the drum hot

Insert connector.

Insert connector.
S/W 4 or 5 terminal

Completely close
door.

Replace door AS.

Replace door S/W.

Insert connector.

Insert terminal. S/W
2 or 3 terminal

Replace door S/W.

Door opens after
drainage.

–

"LE"

"LE"

"LE"

"LE"

"LE"

"LE"

"LE"

"LE"

–

Normal sound generated during solenoid operation when
'sliding CAM' is locked/ unlocked to close or open door.

PCB MICOM' cannot open door in case of power failure or forced power S/W off during operation.
Door can be opened in the max. of 5min.

Prevention of door opening to prevent burn caused by hot laundry after
drying

Door does not open normally in case of loosening of connector/ terminal and breaking of solenoid
coil during operation. Administer measures after test according to the following method.

Visually checking connector connection
status

Referring to door lock S/W dismantling
and checking methods below

-

-

Occurrence of continuous 'tick' noise
unlike normal sound

Visually checking connector connection
status

Referring to door lock S/W dismantling
and checking methods below

Referring to picture below

Checking if water level is higher than
safety level

50

1) Spec of Heater of Washing Machine

Classification

Parts name

A DUCT COVER
B FAN MOTOR
C HEATER DRY
D DUCT B LOWER
E VALVE INLET(DRY)

F THERMOSTAT
G THERMISTOR
H DUCT B UPPER

I FAN AS

J FUSE TEMPERATURE

E

C

D

B

A

IJFH

G

1. Heater

51

2) Dry Function Diagram

3) Temp- Time Graph During Dry Cycle

While rotating DRUM, DRY HEATER applice heat to air and FAN blows it into DRUM evaporating water in the laundry.

• Evaporated water is sucked into CONDENSING DUCT, and condensed in DUCT contacting WATER SUPPLY (condensed water
is extracted through DRAIN HOUSING).

• Dry function is performed by continuous repetition of evaporating and condensing circulation as above.

DRY DUCT

T : Thermistor
(CONTROL

HEATER’S
TEMPERATURE )

HEATER

FAN MOTOR

CONDENSING

DUCT

DRUM

DRAIN

HOUSING

T

WATER SUPPLY

INSIDE TEMPERATURE
OF DRUM

TIME

DRYING PROCESS
ZONE

TEMP.

PRE HEATING
ZONE

123456

/0

78
56

9':;!
<=/0

>6

52

4) Dry Course

In order to check the drying temperature during process going on : --> press the "DRY" button, the display shows as below.

UPPER LED:

Temperature for DRY

The current temperature is 98

P

LOWER LED:

Temperature for WASH

REMAIN TIME

min

COURSE DRY COURSE

LOW TEMP.

Heater control temperature is 60°C On/70°C Off
Drying Time is 110min according to Load Sensing Data

IRON

Heater control temperature is 95°C On/105°C Off, with good condition for ironing
Drying Time is 60min according to Load Sensing Data

Cupboard Heater control temperature is 95°C On/105°C Off, drying time is 150 min

STRONG Heater control temperature is 95°C On/105°C Off, drying time is 200 min

SELECTING TIME

Heater control temperature is 95°C On/105°C Off, customer can select the drying time
out of 1:00, 1:30, 2:00

KLMN

O

53

5) TROUBLE SHOOTING OF DRY SYSTEM

✦

HEATER DRY

Function : heating the air during dry

• FAILURE MODE : * "H7" - The air cannot be heated to 10°C during 2 min.

• CHECKING METHOD : * Check the resistance of heater coil and replace with new one.

✦

Thermistor

Function : sensing the air temperature.

• FAILURE MODE : * The air cannot be heated even though water is supplied.
* "H1" - shot or cut-off
* "H3" - air temp. is reached over 150°C

• CHECKING METHOD : * Check the resistance of thermistor, replace with new one.

✦

FUSE TEMPERATURE

function : protecting from the fire hazard or overheating, if the temp., rises over 128°C, power supply will be cut-off.

• Pictures

• FAILURE MODE : Dry is not performed.

• CHECKING METHOD : Check if fuse is short, and replace with new one.

FIXED BY

WASHER
+SCREW

54

✦

SWITCH THERMOSTAT(BIMETAL)

function : control the duct temperature, if the temp reached over 150°C, all power supply will be cut. and if the temp go down

120°C the power will be ON.
protecting overheating by cutting off heater power supply if the temperature rises over 150°C, and reoperating heater
by connecting heater power supply if the temperature falls under 120°C.

• OPERATING TEMPERATURE • PICTURE

✦

UNIT FAN MOTOR

function : circulating the inside air during dry process.

• SPEC • PICTURE

• FAILURE MODE : * E3 shown : FAN MOTOR cannot work.

• CHECKING METHOD : Check the FAN MOTOR is short, and replace with new one.

OPEN TEMPERATURE(OFF) 150°C ± 5°C

CLOSE TEMPERATURE(ON) 120°C ± 5°C

ITEMS SPEC

RATING VOLTAGE 24V

RPM

MOTOR 3700 ± 10%

DUCT FAN AS 1900 ± 10%

ROTAING DIRECTION CW

55

6) LACK OF DRY PERFORMANCE

• Situation : after drying, the clothes still get wet.

cause) ☞The laurdry amount is more than the recommendation capacity 7.0kg.

☞Condensing cold water is not supplied.
☞Clogging Bellows Duct results in poor air circulation.

checking method)

• Situation after drying, the clothes was soaked and hot.

cause) ☞ The dry is done from bad spin performance because of unbalance.

☞no spin was done before the dry had started.

• Situation : PCB shows "H1" or "H3".

cause) ☞Thermistor is broken.

☞Thermistor is short or cut-off.

countermeasures) ☞replace the Thermistor.

part name checking point checking results jurge repair method

BELLOWS

DUCT

VALVE INLET

+Condensing

HOSE

clogging
bellows duct

no water supply
from inlet valve

heater was
overheated
owing to poor air
circulation

VALVE INLET
connector slipped
out

VALVE INLET
broken

ill-connection of
condensing hose to
duct pipe

clean the bellow
duct

connect normally

replace valve inlet

connect normally

BELLOW

DUCT

VALVE INLET

CONDENSING

HOSE

56

• Situation : PCB shows "H7".

cause) ☛ Dry heater is cut-off.

☛ Fuse temp. is cut-off.

repaire method) ☛ replace the Dry heater.

☛ replace the Fuse temp.

checking point part name checking results repaire method

HEATER

SENSOR TEMP.

FUSE TEMP.

dry Heater is short or cut-off.

Thermistor is short or cut-off.

FUSE TEMPERATURE is cut-off.

replace the
dry Heater.

replace the
Thermistor.

replace the
FUSE
TEMPERATURE.

THERMISTOR

HEATER DRY

FUSE

TEMPERATURE

57

• situation : PCB shows "E3".

cause) ☞FAN MOTOR can not work.
countermeasures) ☞Replace the Fan Motor.

part name checking results repair method disassemble process of Fan Motor

FAN MOTOR fan motor failure replace

fan motor

1Disassemble Duct Cover As from Duct B As

(Screw 4EA)

2Disassemble FAN AS From Duct Cover As

(Fixed by 8mm NUT)

3Disassemble the FAN MOTOR(SCREW 3EA)

parts Control time

MOTOR 15 sec On, 5sec Off

DRAIN MOTOR Continous working

FAN MOTOR Continous working
DRY HEATER 95°C On, 105°C Off
INLET VALVE 30sec On, 5sec Off

Remarks) control times of each parts during dry process

DUCT COVER AS

Fixed By 8mm NUT

58

Washing Heater Temp. Sensor Table

"GH!Q!@@RAS@ET U CRBCV
"SB!Q!@RWBCET U >V
.GH)@BB!Q!>W?BE!U @V

/;X7 X<=

=9"X8D

X8Y /;X7 X<=

=9"X8D

X8Y /;X7 X<=

=9"X8D

X8Y /;X7 X<=

=9"X8D

X8Y

?@.@.@.?@.@. @. ? @. @. @. ? @. @. @.
AB$ CDCEFGB CFDEH%$ IGBEIDJ $ IBEI%C I%EFJ% IJE%FF B$ HEB$I HEH%I HEF$I DG GEH$I GEH%I GEJ$I
AIF CHHEHBC CDGEBGH CFHEGFG G ICEJJH IBEIGD I%EDHG BG HEGHF HEB$F HEHBD DC GE%%% GEH$I GEH%C
AID C%GEBIC CH%EIGG CJFEGF$ C IGECDB ICEJBF IBECGB BC %EFBH HEGJH HEB$% DI GE%$D GE%%H GEH$I
AIJ CIJEC$D C%$EC%C CHIECFH I CFEDHF IGECHC ICEH%% BI %EJIC %EF%C HEGJC DB GEBHI GE%G$ GE%%H
AIH CCIEF$$ CIHEGH% CBDEBI$ B CDE%CD CFED%C IGEGJJ BB %E%CJ %EJID %EFBF D% GEBGF GEBHB GE%$F
AI% CGGEBB$ CCCEFJD CIBE%GH % CJEC%H CDE%GH CFEJJH B% %EIC$ %E%CI %EJC% DH GEIJJ GEBCG GEBH%
AIB GFFEHDI CG$E%IJ CCGEIFC H CHE$BB CJECBC CDEBB$ BH %EGIG %EIC% %E%GD DJ GEIIH GEIJF GEBCC
AII GDDEHHF GFDEDD% C$FEG$G J CBEDFI CHE$II CJEGJB BJ BEFBF %EGI% %EICG DD GECFJ GEIIF GEIDG
AIC GJDEIBJ GDJEFHJ GFJE%DJ D CIED$G CBEDDJ C%EFJC BD BEJJB BEF%I %EGIG DF GEC%F GEI$$ GEIBC
AIG GHDEHHD GJJEJIG GDHEJFI F CCEJHB CIEJFD CBEDIG BF BEH$J BEJJD BEF%$ F$ GECCC GECHC GEI$C
AI$ G%FE%DD GHDEGCF GJHEHJ$ G$ CGEJD$ CCEJHB CIEJBD %$ BEBBI BEH$D BEJJC FG GEGDH GECCH GECH%
ACF G%$EFFF G%FE$BF GHJE$FF GG C$EDIH CGEJJI CCEJG$ %G BECDF BEBBJ BEH$% FC GEG%C GEGFG GECCF
ACD GBCEFIJ G%$E%CJ G%DEGGJ GC GFEFIF C$EDIC CGEJC% %C BEGBG BECFC BEBBB FI GEGGF GEG%J GEGFB
ACJ GI%EIHH GBCE%CH GBFEHD% GI GFE$DJ GFEFID C$EJDD %I IEFFF BEGBB BECF$ FB GE$DJ GEGCB GEGHG
ACH GCDEC%I GI%E$$F GBGEJHH GB GDECJJ GFE$DD GFEDFF %B IEDHC BE$$C BEGBC F% GE$%J GE$FI GEGCF
AC% GCGE%HH GCJEFB% GIBEICB G% GJE%$H GDECJF GFE$%C %% IEJCC IED%H IEFF$ FH GE$CJ GE$HI GE$FD
ACB GG%ECI$ GCGEC%C GCJECJB GH GHEJJ$ GJE%$J GDECBB %H IE%F% IEJCI IED%C FJ $EFFF GE$II GE$HJ
ACI G$FECJG GGBEF%F GC$EHBJ GJ GHE$HF GHEJJC GJEBJ% %J IEBJI IE%FH IEJC$ FD $EFJG GE$$% GE$ID
ACC G$IEHH% G$FE$IF GGBEBGI GD G%EB$C GHE$JC GHEJBI %D IEI%% IEBJB IE%FI FF $EFBB $EFJJ GE$G$
ACG FDEIDJ G$IEBHJ G$DE%BJ GF GBEJHJ G%EB$J GHE$BH %F IECBI IEI%J IEBJG G$$ $EFGD $EF%$ $EFDC
AC$ FIEBGH FDECC$ G$IE$CB C$ GBEGHC GBEJJI G%EIDI H$ IEGII IECBI IEI%I G$G $EDFI $EFCB $EF%%
AGF DDEH$I FIEGBG FJEHJF CG GIE%JH GBEG%D GBEJBG HG IE$CF IEGI% IECB$ G$C $EDHD $EDFF $EFI$
AGD DBE$JC DDEIHG FCEHBF CC GIE$GD GIE%JB GBEGI$ HC CEFCF IE$I$ IEGIC G$I $EDB% $EDJ% $EF$%
AGJ JFED$H DIEDH$ DJEFGB CI GCEBDH GIE$GJ GIE%BD HI CEDII CEFI$ IE$CD G$B $EDCC $ED%G $EDDG
AGH J%EJDD JFEHCC DIEB%H CB GGEFD$ GCEBDJ GCEFFI HB CEJB$ CEDIB CEFCD G$% $EJFF $EDCJ $ED%H
AG% JCE$$$ J%EHCD JFEC%% C% GGEBFJ GGEFDG GCEBH% H% CEH%B CEJBB CEDI% G$H $EJJJ $ED$% $EDII
AGB HDEB$D JGEDB$ J%ECJC CH GGE$IJ GGEBFF GGEFHC HH CE%HF CEH%H CEJBI G$J $EJ%H $EJDB $EDGG
AGI H%E$CG HDECJ$ JGE%GD CJ G$E%FD GGE$B$ GGEBDC HJ CEBDJ CE%JG CEH%B G$D $EJIH $EJHI $EJF$
AGC HGEDC% HBEF$C HJEFJD CD G$EGJF G$EH$G GGE$CB HD CEB$D CEBDF CE%HF G$F $EJGH $EJBI $EJHF
AGG %DEDG$ HGEJCB HBEHIJ CF FEJD$ G$EGDI G$E%DJ HF CEIII CEBG$ CEBDJ GG$ $EHFJ $EJCI $EJBF
AG$ %%EFHI %DEJCB HGEBD% I$ FEB$$ FEJDH G$EGJC J$ CEC%D CEIIC CEB$J GGG $EHJF $EJ$B $EJCF

AF %IECGB %%EDCF %DEBBI IG FE$IH FEB$% FEJJ% JG CEGDJ CEC%F CEIIG GGC $EHHG $EHDH $EJG$
AD %$EHC$ %IE$FJ %%E%JI IC DEHDD FE$BC FEIF% JC CEGGF CEGDD CEC%J GGI $EHBB $EHHD $EHFC
AJ BDEGJG %$E%GJ %CEDHB II DEI%H DEHF% FE$II JI CE$%B CEGC$ CEGDJ GGB $EHCJ $EH%G $EHJB
AH B%ED%J BDE$DG %$EI$% IB DE$IF DEIHI DEHDH JB GEFFG CE$%% CEGGF GG% $EHG$ $EHIB $EH%J
A% BIEHJ$ B%EJJF BJEDDF I% JEJIJ DE$BJ DEI%J J% GEFCD GEFF$ CE$%G GGH $E%F% $EHGJ $EHB$
AB BGE%FB BIE%FB B%E%FB IH JEBBD JEJBB DE$BG JH GEDHF GEFCD GEFDD GGJ $E%JF $EH$C $EHCB
AI IFEHI$ BGE%CD BIEBC% IJ JEGJ$ JEB%% JEJIF JJ GEDGC GEDHF GEFCJ GGD $E%H% $E%DH $EH$D
AC IJEJJI IFE%JB BGEIJ% ID HEF$% JEGJD JEB%$ JD GEJ%D GEDGI GEDHD GGF $E%%$ $E%JC $E%FI
AG IHE$GH IJEJC% IFEBI% IF HEH%C HEFGC JEGJI JF GEJ$% GEJ%D GEDGG GC$ $E%IH $E%%J $E%JD

59

Day Heater Temp. Sensor Table

"CB!Q!G?RB?HET U >V
"@BB!Q!>R>ET U @@R@V
.CB)@BB!Q!CBGHE!U GV

/'P+ "Z,[ "2#[3 "Z%\ /'P+ "Z,[ "2#[3 "Z%\ /'P+ "Z,[ "2#[3 "Z%\

$ GBCE%% GHCECG GDBEGC %H GCEFD$ GBE$HH G%EC$I GGC CECGG CEIBI CEBJJ
G GI%E%% G%BE$F GJBEJC %J GCE%C$ GIE%%J GBEHBI GGI CEGBF CECJF CEBGG
C GCDEFI GBHEBG GH%ED% %D GCE$JD GIE$HF GBEG$% GGB CE$F$ CECGJ CEIBJ
I GCCEHD GIFEGJ G%JEBD %F GGEH%% GCEH$G GIE%FG GG% CE$IC CEG%D CECD%
B GGHEJH GICEIC GBFE%F H$ GGECBD GCEG%I GIE$FJ GGH GEFJJ CEG$$ CECC%
% GGGEGJ GC%EDH GBCEGI HG G$ED%J GGEJCC GCEHCB GGJ GEFCI CE$BI CEGHH
H G$%EDJ GGFEJB GI%E$F HC G$EBDI GGEI$F GCEGJG GGD GEDJ$ GEFDF CEGG$
J G$$EDH GGIEFH GCDEB% HI G$EGCI G$EFGI GGEJIH GGF GEDC$ GEFIH CE$%%
D FHEGC G$DE%$ GCCEGH HB FEJJJ G$E%II GGEIGF GC$ GEJJG GEDD% CE$$C

F FGEHC G$IEIC GGHECC H% FEBB% G$EGHD G$EFGF GCG GEJCI GEDIH GEF%$
G$ DJEIJ FDEBI GG$EHG HH FEGC% FEDGJ G$E%I% GCC GEHJD GEJDD GEF$$
GG DIEII FIEJF G$%EI$ HJ DEDGD FEBDG G$EGHJ GCI GEHII GEJBG GED%C
GC JFE%G DFEB$ G$$ECJ HD DE%CB FEG%J FEDGI GCB GE%F$ GEHFH GED$%
GI J%EDD D%ECB F%E%G HF DECB$ DEDBH FEBJB GC% GE%BD GEH%C GEJ%F
GB JCEBB DGEI$ FGE$G J$ JEFHJ DE%BD FEGBD GCH GE%$D GEHG$ GEJG%
G% HFEGJ JJE%H DHEJB JG JEJ$% DECHG DEDIB GCJ GEBHD GE%HF GEHJC
GH HHE$J JBE$G DCEJ$ JC JEB%C JEFD% DE%II GCD GEBI$ GE%CF GEHI$
GJ HIEGI J$EH% JDEDJ JI JECG$ JEJGF DECBB GCF GEIFI GEBF$ GE%F$
GD H$EIB HJEBH J%ECB JB HEFJH JEBHB JEFHH GI$ GEI%J GEB%I GE%%$
GF %JEHD HBEBI JGED$ J% HEJ%G JECGD JEHFF GIG GEICI GEBGH GE%GC
C$ %%EGH HGE%H HDE%I JH HE%IB HEFDC JEBBC GIC GECDF GEIDG GEBJ%
CG %CEJH %DEDI H%EBI JJ HEICH HEJ%% JEGF% GII GEC%H GEIBH GEBIF
CC %$EBD %HECB HCEBF JD HEGC% HE%IH HEF%J GIB GECC% GEIGI GEB$B
CI BDEIG %IEJJ %FEJ$ JF %EFIG HEIC% HEJCF GI% GEGFB GECDG GEIJ$
CB BHEC% %GEBI %JE$% D$ %EJB% HEGCI HE%$F GIH GEGHB GECBF GEIIJ
C% BBECD BFEC$ %BE%I DG %E%H% %EFCJ HECFJ GIJ GEGI% GECGF GEI$%
CH BCEBG BJE$D %CEGI DC %EIFC %EJIF HE$FI GID GEG$J GEGDF GECJB
CJ B$EHI B%E$J BFEDH DI %ECC% %E%%D %EDFJ GIF GE$D$ GEGH$ GECBB
CD IDEFB BIEG% BJEHF DB %E$HB %EIDI %EJ$D GB$ GE$%I GEGIC GECG%
CF IJEIC BGEIC B%EHB D% BEF$F %ECG% %E%CH GBG GE$CJ GEG$% GEGDH
I$ I%EJD IFE%D BIEHD DH BEJ%F %E$%I %EI%G GBC GE$$C GE$JF GEG%D
IG IBEIG IJEFI BGEDC DJ BEHG% BEDFH %EGDC GBI $EFJD GE$%I GEGIG
IC ICEFG IHEI% B$E$B DD BEBJH BEJBH %E$GF GBB $EF%B GE$CD GEG$%
II IGE%D IBED% IDEIH DF BEIBG BEH$$ BEDHC GB% $EFIG GE$$B GE$D$
IB I$EIG IIEBG IHEJ% F$ BECGC BEBH$ BEJGG GBH $EF$F $EFD$ GE$%%
I% CFE$F ICE$% I%ECC FG BE$DH BEIC% BE%HH GBJ $EDDJ $EF%D GE$IG
IH CJEFI I$EJ% IIEJH FC IEFH% BEGFB BEBC% GBD $EDHH $EFI% GE$$J
IJ CHEDI CFE%$ ICEIJ FI IEDBF BE$HD BECDF GBF $EDBH $EFGB $EFDB
ID C%EJJ CDEIC IGE$B FB IEJIH IEFBJ BEG%F G%$ $EDCH $EDFI $EFHC
IF CBEJH CJEGF CFEJJ F% IEHCJ IEDCF BE$II
B$ CIED$ CHEGG CDE%J FH IE%CC IEJGH IEFGG
BG CCEDJ C%E$J CJEBC FJ IEBC$ IEH$H IEJFI
BC CGEFF CBE$F CHEIC FD IEICC IE%$G IEHD$
BI CGEG% CIEG% C%ECJ FF IECCJ IEIFF IE%JG
BB C$EIB CCEC% CBECJ G$$ IEGI% IEI$$ IEBH%
B% GFE%J CGEIF CIEIG G$G IE$BI IEC$% IEIHJ
BH GDEDB C$E%J CCEB$ G$C CEF%B IEGGI IECJC
BJ GDEGI GFEJD CGE%I G$I CEDHJ IE$CB IEGD$
BD GJEBH GFE$I C$EHF G$B CEJDB CEFIJ IE$FC
BF GHEDG GDEIG GFEF$ G$% CEJ$B CED%B IE$$H
%$ GHEGF GJEHC GFEGI G$H CEHCH CEJJB CEFCI
%G G%EH$ GHEFH GDEB$ G$J CE%%G CEHFH CEDBC
%C G%E$I GHEII GJEJG G$D CEBJD CEHCG CEJHB
%I GBEBD G%EJI GJE$B G$F CEB$D CE%BD CEHDF
%B GIEFH G%EG% GHEB$ GG$ CEIB$ CEBJJ CEHGH
%% GIEBH GBEH$ G%EJF GGG CECJB CEB$F CE%BH

60

1) Spec of Heater of Washing Machine

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'KLMN

*OPQRSTLUOP!VOWMX

'MQUQLKPYM

*RXXMPL!9MPQULZ

+MSTE!#RQM

+[(';\]+,'

;KLMXUK^

;K_E!+MSTE

VKXL!*ONM

*8(6

\'*)

CC$`a!CI$`

C$$$"b%c

CBECOdS

DEF

GHJ?

[MKLMX!eRU^LAUP

]:]BI$

")+('

IHGCD$CB$$

IHGCD$CBG$

:"J;"

\'*)

CC$`a!CI$`

CG$$"b%c

CIE$%OdS

HEG

GCD?fgRU^LAORLh

fgRU^LAORLh

\i*,jkD$$

H$$?

IHGCD$GB$$

Temp. Fuse of Washing Heater (184°C CUT OFF TYPE)
: Located inside heater to prevent fire, etc. caused by

heating without water due to breakdown of water

level sensor, etc.

: Cut-off in app. 1min in case of overheating, heater temp. of

app. 270°C

: Washing heater must be used under water.

Washing

Temp. Sensor

Drying Temp.

Sensor

Dry Heater

Wash Heater

7. HEATER

""

Wash Heater

""

Dry Heater

61

Heater Replacement

2) Breakdown Diagnosis

Breakdown

Cause Diagnosis Solution

PCB

Symptoms Error Mode

Washing
water
not heated
(common for
drum)

Overheating of
washing water

Wiring short

Washing heater or
temp. fuse short

Connector/ terminal
loosening

Defect in washing
heater temp. sensor

Defect in washing
heater temp. sensor

Connect the cut-off part.

Replace washing
heater.

Insert terminal.

Replace temp. sensor.

Replace temp. sensor.

"H6"

"H6"

"H6"

"H2"

"H2" or "H4"

Check for short

Check for short: Normal if 23.3~25.7ohm between both
terminals of washing heater

Check for loosening: Common for drum

Measuring resistance between both terminals of sensor:

Measuring resistance between both terminals of sensor:

* How to Replace Washing Heater and Temp. Sensor

1. Dismantling Connector 2. Loosening Earth and Heater Nuts

3. Replacing Heater and Temp. Sensor

4. Administer assembly in reverse order and make sure to fasten heater nuts first before the earth nuts.

62

1) Structure of BLDC Motor

7. HEATER

gj9*!;,+,'

2) Power Transmission System of BLDC Motor

63

3) Specification

Classification Item BLDC : DD Motor

1. General

2. Performance

3. Structure

Rated Voltage
Insulating Structure
External Appearance

No. of Poles
Consumption Power

RPM

Output
Characteristics

Stator
Resistance

Rotor
Hall IC

Vm = 310 [Vdc], Hall IC Voltage 5 [Vdc]
Type B, insulator method
Shaft connection and stator connection

structure, Air-gap : 1mm
24 poles, Core: 36 slots, Layer: [30mm]
390[W]±10[%], during washing

(picked value)
During Washing: 45RPM,

During Spin-drying:1300RPM
Torque: 300Kgf.cm (washing: 45rpm)

Current: 1.5A (washing: 45rpm),

2.5A (spin-drying: 800rpm)
AC Input Terminal - Washing: 250Wo,
Spin-drying: 380Wo

ø265x30H
U(blue) - V(purple) : 13.8Ω[at 75°C]

V(purple) - W(pink) : 13.8Ω[at 75°C]
W(pink) - U(blue) : 13.8Ω[at 75°C]
cf) Motor resistance at ambient temp. of

0 ~ 35°C

7.04 ~ 8.1Ω

Magnet : 24 segments, bracket, serration
2-sensor Control Type, Top Central Angle:

7.5 degrees
Signal Error Angle (phase difference):
90±5 degrees (based on electric angle)

64

8. WIRING DIAGRAM

C-124X/125X: DOUBLE VALVE, BUBBLE

C-124X/125X: DOUBLE VALVE, N/BUBBLE

65

D-124X/125X: DOUBLE VALVE, BUBBLE

D-124X/125X: DOUBLE VALVE, N/BUBBLE

66

9. TROUBLE SHOOTING REGARDING DRAIN

1) Structure of Dran Parts by TUB

[,](!9')\i!\

[,:]\il!`)j`(

9')\i!;,+,'

`)j`(!)\'!)]

2) Checking Methods

• Situation : * "OE" is shown on PCB.
* Not finishing drain during 10 min.

* The water level can not reach to RESET POINT during 10 min of drain.

Checking Methods

* Check the hose drain O condition; twisted or frozen.

* Check the hose drain O condition, blocked.
* DRAIN MOTOR is broken.

Replacing methods

* replace HOSE DRAIN O

* clean the inside of Filter.
* replace DRAIN MOTOR

67

10. INST ALLA TION GUIDE

1) Related Parts and Configuration

PARTS NAME

FIXTURE UP/DOWN AS

UNIT SERVICE WRENCH

LEG ADJUST AS

REMARKS

FIXTURE UP AS
(3612008200)
: L= 109mm
FIXTURE DOWN AS
(3612008300)
: L=143mm

m Remove Fixture

UP/DOWN AS

n Adjust Leg

FIGURES

]V(*\)j
]*'("!:V

#\o+:'(!:V #\o+:'(

9,"i

#,,+

#\o+:'(
j(l

]V(*\)j
]*'("
9,"i

2) INSTALLATION PROCESS

1Remove the FIXTURE UP/DOWN AS

2Insert CAP HOLDER(4EA) after removing FIXTURE UP/DOWN AS.

Removal Method Remarks

☞Disassemble the FIXTURE UP/DOWN AS by

turning CCW direction.

☞Please keep FIXTURE UP/DOWN AS for later use.

☞When fixing FIXTURE UP/DOWN AS, turn it CW

direction.

CAP HOLDER

68

3Please install the DRUM W ASHING MACHINE properly on even and hard floor as below .

4Adjust the level of washer using LEG ADJUSTAS.

Adjusting Method Remarks

☞If turned CW, the LEG ADJUST AS moves the

washer upward.

☞If turned CCW, the LEG ADJUST AS moves the

washer downward.

5After adjusting level, fix SPECIAL BOL T.

Adjusting Method Remarks

✰ Please fix the SPECIAL BOLT by rotating it CCW

in order to prevent washer vibration.

69

11. A TTENTION POINT WITH SERVICING

No Item Part Name Checking Point

1 Replacing Thermistor Thermistor Dry Keep the Packing from seperating (Hold Packing when replacing)

Dry Keep the Packing from folding

2 Replacing Duct B As DUCT B AS & Check the sealing between Duct Pipe & Duct B AS

& Duct Pipe DUCT PIPE

3 Replacing & Inlet Valve Use only screw M4*8 for fixing Inlet Valve

Repairing Inlet Valve
4 Replacing Hose Drain Hose Drain Keep the sealing condition of Tub O tightly
5 Replacing HOSE HOSE A,B,C Check the assembling order between INLET BOX & Hose A,C :

A,B,C Pre Wash-Cold
6 Replacing Heater Wash Unfastening the nut for fixing earth first then unfasten

Heater Wash the nut for fixing heater

At assembling the heater dry, check if the assembling condition between
fixture heater is tight.(little gap on left & right)
At fastening the nut for fixing the heater wash, keep the protrusion length
of bolt to 10~12mm.
(if under 10mm, water can leak, and if over 12mm, fixture heater can
deform)

7 Replacing Thermistor Wash Unfasten the Nut for fixing heater, replace the thermistor, and

“Thermistor Wash” fasten the nut for fixing heater
8 Assembling Hinge Door

At fastening screw for fixing Door AS, be careful so that scratching at

“Hinge Door” the related parts does not happen

: If the scratching happens, it is possible to be claimed about

appearance damage

9 (Dis)assembling Door As Be careful about the up/down direction of Door Glass : Keep the

“Door AS” indication point of the part code downward.

10 (Dis)assembling MOTOR AS To avoid the injury on the hand, grip the rim of the rotor

“Motor AS” At initiating the assembling operation of the stator, grip the

stator and fasten the screw; at unfastening the screw, grip the stator so
that it does not fall.

11 Damper AS Damper AS Fixed 4 Dampers with spring when assemble.

S/M NO. :

DAEWOO ELECTRONICS CORP.

686, AHYEON-DONG MAPO-GU SEOUL, KOREA
C.P.O. BOX 8003 SEOUL, KOREA
TELEX: DWELEC K28177-8
CABLE: “DAEWOOELEC”

PRINTED DATE: May. 2008

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