Samsung WD8NK52E0ZW/EO User manual

CONTENTSWASHING MACHINE (DRUM)
REPAIR GUIDE
Manual
SERVICE
WASHING MACHINE
DRUM TYPE
The model code is on the next page.
1. Safety Instructions
2. FeaturesandSpecications
3. Disassembly and Reassembly
4. Troubleshooting
5. Wiring Diagram
6. Reference
WD8NK52**A*WD8NK52**Z*

MODEL CODE
WW8NK*2****
WD8NK52E0ZW/EO
WD8NK52E0ZX/EO
WD8NK52E0ZX/LE
WD8NK52E0ZW/LE
WD8NK52K0ZW/EG
WD8NK52E0ZW/ET
WD8NK52E0AW/EO
WD8NK52E3AW/EO
WD8NK52E0AW/ET
WD8NK52K0AW/EE
WD8NK52E0AW/LE
WD8NK52K0AW/EG

CONTENTS
1. SAFETY INSTRUCTIONS.....................................................................1
1-1. SAFETY INSTRUCTIONS.......................................................................1
2. FEATURES AND SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2-1. SPECIFICATIONS .............................................................................4
2-2. COMPARING SPECIFICATIONS WITH EXISTING MODELS ........................................5
2-3. OPTIONS SPECIFICATIONS....................................................................6
3. DISASSEMBLY AND REASSEMBLY ..........................................................7
3-1. TOOLS FOR DISASSEMBLY AND REASSEMBLY .................................................7
3-2. STANDARD DISASSEMBLY DRAWINGS ........................................................8
4. TROUBLESHOOTING.......................................................................27
4-1. INFORMATION CODE ........................................................................27
4-2. PROBLEM CHECK POINT.....................................................................31
5. WIRING DIAGRAM.........................................................................32
5-1. WIRING DIAGRAM (add door) ................................................................32
5-2. WIRING DIAGRAM (non add door) ............................................................33
6. REFERENCE ..............................................................................34
6-1. WD5500K PROJECT NAME...................................................................34
6-2. TERMINOLOGY..............................................................................35

Safety Instructions _ 1
1. SAFETY INSTRUCTIONS
1-1. SAFETY INSTRUCTIONS
►Make sure to observe the following instructions to operate the product correctly and safely and prevent possible accidents and
hazards while servicing.
►Two types of safety symbols, Warning and Caution, are used in the safety instructions.
WARNING
Hazards orunsafe practices that may result in severe personal injury or death.
CAUTION
Hazards orunsafe practices that may result in minor personal injury or property damage.
►Following the repairby a non-authorised service provider, self-repairor non-professional repairof the product, Samsung is not
liable forany damage to the product, any injury orany otherproduct safety issue caused by any attempt to repairthe product
which does not carefullyfollowthese repairand maintenance instructions. Any damage to the product caused by an attempt to
repair the product by any person other than a Samsung certied service provider will not be covered by the warranty.
WARNING BEFORE SERVICING
• (When servicing electrical parts or harnesses) Make sure to disconnect the power plug before servicing.
4Failing to do so mayresult in a risk of electric shock.
• Advise consumers not to connect several appliances to a single power outlet at the same time.
4 There is a risk of re due to overheating.
• When removing the power cord, make sure to hold the power plug when pulling the plug from
the outlet.
4 Failing to do so may damage the plug or power outlet and result in re or electric shock.
• When the washing machine is not being used, make sure to disconnect the power plug from the
power outlet.
4Failing to do so mayresult in result in accidental operation of the washing machine.
• Do not place or use gasoline, thinners, alcohol, or other ammable or explosive substances near the washing machine.
4 There is a risk of explosion and re caused from electric sparks.

2 _ SafetyInstructions
WARNING WHILE SERVICING
• Check if the power plug and outlet are damaged, attened, cut or otherwise degraded.
4If faulty, replace it immediately.
Failing to do so may result in electric shock or re.
• Completely remove any dust or foreign material from the housing, wiring and connection parts.
4 This will prevent a risk of re due to tracking and shorts in advance.
• When connecting wires, make sure to connect them using the relevant connectors and check that they are properly connected.
4 Do not use tape instead of the connectors, it may cause re due to tracking.
• Make sure to discharge the PBA power terminals before starting the service.
4Failing to do so mayresult in a high voltage electric shock.
• When replacing the heater, make sure to fasten the nut after ensuring that it is inserted into the bracket-heater.
4If not inserted into the bracket-heater, it touches the drum and causes noise and electric leakage.
• Do not repair the washing machine without safety gloves.
4It can cause injury.
WARNING AFTER SERVICING
• Check the wiring.
4Ensure that the wiring can not be damaged by any sharp edges or moving parts.
• Check for any water leakage.
4Perform a test run forthe washing machine using the standard course and check whetherthere is anywaterleakage
through the oor section or the pipes.
• Advise consumers not to repair or service any part of the washing machine themselves.
4This may result in personal injury and shorten the product lifetime.

SafetyInstructions _ 3
CAUTION BEFORE SERVICING
• Do not sprinkle water onto the washing machine directly when cleaning it.
4 This may result in electric shock or re, and may shorten the product lifetime.
• Do not place any containers with water or any other liquid on the washing machine.
4 If the water is spilled, it may result in electric shock or re. This will also shorten the product
lifetime.
• Do not install the washing machine in a location exposed to snow or rain.
4 This may result in electric shock or re, and shorten the product lifetime.
• Do not press a control button using a sharp tool or object.
4This may result in electric shock ordamage to the product.
CAUTION WHILE SERVICING
• When wiring a harness, make sure to seal it completely so no liquid can enter.
4 Take care when disconnecting connectors, do not use excessive force as this may damage
the connector.
• Check if there is any residue that shows that liquid entered the electric parts or harnesses.
4 If any liquid has entered into a part, replace it or completely remove any remaining moisture from it.
• If you need to place the washing machine on its back for servicing purposes, place a support(s) on the oor and lay it down
carefully so its side is on the oor.
4Do not lay it down on its front. This may result in the inside tub damaging parts.
• At least two people should work when working with heavy products.

4_FeaturesandSpecications
2. FEATURES AND SPECIFICATIONS
2-1. SPECIFICATIONS
MODEL WD8NK*2**Z* WD8NK*2**A*
Model name Front loadingwashing machine
Dimensions (mm) 600x850x456
Waterpressure 50kPa-1000kPa
Net weight (kg) 72 71
Wash and spin capacity 8.0
Power
consumption
Washing 220V
150W
240V 150W
Washing and
heating
220V 1900W
240V 2300W
Drying 220V
1600W
240V 1600W
Spin 220V
~240V
600W
PUMPING 30W
Spin revolutions(rpm) 1200
- please visit Samsung ofcial website to receive most up-to-date information about software and product maintenance.
Model WD8NK*2****
Width (A) 600mm
Height-Overall (B) 850mm
Depth (C) 456mm
Depth with door open 90° (D) 1000mm
A
B
C
D

FeaturesandSpecications_5
2-2. COMPARING SPECIFICATIONS WITH EXISTING MODELS
Model name WD8NK52**Z* WD8NK52**A*
Image
Capacity 8 8
Dry Capacity 5 5
Main Spec
Drum Volume 58 58
Max RPM 1200 1200
Motor DIT DIT
WaterSupply Cold only Cold only
Drainage Pump Pump
USP
ECO Bubble ● ●
Add Wash ●X
Steam ● ●
AOW/AD X X
Bubble Soak ● ●
Quick Wash ● ●
Wi X X
Q-Drive X X
Design
Door Add Wash Crystal Blue Crystal Blue
Drum Diamiond Diamiond
Display LED LED
Dimension 600*456*850 600*456*850

6_FeaturesandSpecications
2-3. OPTIONS SPECIFICATIONS
NO Unit Part Code Figure Description Qty
1Bolt Spanner DC60-40146A To remove the shipping bolts To
adjust the leveling leg 1
2Assy Hose Water DC97-16921A To setup watersupply. Cold only1,
Cold+Hot 2()
3Hose Water
(Aqua-Stop) DC62-00079A To setup watersupply. 1(★)
4Manual Users DC68-04050*
DC68-04057*
To explain the product
operation and installation 1
5Cap Fixer DC67-00307A To coverthe holes 4
6Hose Hanger DC62-10278A To secure the drain hose. 1
7Guide Liquid DC61-03510A To use liquid detergent. 1(★)
8Cap Fixer DC67-00208B
To coverthe power
cord hole.
1
9
Anti-slip pads
(Sheet Paper) DC63-01891A To paste the bottom
of assy bolt.
2
10 Seal Washer DC62-00708C To coverthe shutter
hole.
1
11 Seal Washer DC62-00805A To coverthe shutter
hole.
1
Note
• ( ★ ) is supplied for specic models only among those without water supply hoses.
• Customer can purchase additional water supply and drain hoses from a service center.
• For built-in models, the spanner, water supply and drain hoses are not supplied. Both the water supply and drain hoses are
supplied during the installation.
• Seal Washer: To be pasted at Rat mesh opennings to avoid Rat entry inside Washing Machine.

Disassemblyand Reassembly _ 7
3. DISASSEMBLY AND REASSEMBLY
3-1. TOOLS FOR DISASSEMBLY AND REASSEMBLY
Tool Type Remarks
Box driver
10mm Heater(1),Tub(12), Fixer screw(5), Motor(2),
Balance(9)
13mm Shock Absorber(2 holes each in left/right),
Damper(2), Damper(friction 2)
19mm Pulley(1)
Double-ended
spanner
10mm
13mm
19mm
Replaced by box driver
Leg
Vice pliers
A Tool forprotecting emptyturning of bolt or
abrasion from using box driver
Fordisassembly of Spin drum
Others (screwdriver,
nipper, long nose pliers) Common tools forservicing
Torque wrench The Tool forassemblyof heater and Tub
- Forinformation about purchasing parts and tool, please visit
http://www.samsung.com/support
- For the part code information, please refer the attached le 'Exploded View'.

8 _ Disassemblyand Reassembly
3-2. STANDARD DISASSEMBLY DRAWINGS
►This is a standard disassembly diagram and may differfrom the actual product. Use this material as a reference when
disassembling and reassembling the product.
Disassembly
Part Figure Description
Assy Cover Top
1. Remove the two screws holding the Top Cover
at the back of the unit.
2. Remove the top-coverby lifting it up after
pulling it back about 15mm.
3. Then, the Water(Pressure) Sensor, Noise Filter
and WaterValve can be replaced.
Sensorpressure
Noise lterWatervalve

Disassemblyand Reassembly _ 9
Part Figure Description
Assy Drawer
1. Open the Drawerby hand
2. While holding down the release leverinside the
drawer (red box), slide open the drawer.
3. Pull up the Cap Rinse to remove it.

10 _ Disassemblyand Reassembly
Reassembly
Part Figure Description
Assy Drawer
1. Fit the hole and press the Cap Rinse so that it
can be assembled.
2. Make sure to t the rail when reassembling the
Assy drawer.
3. Put the drawerin the right direction.

Disassembly and Reassembly _11
Disassembly
Part Figure Description
Assy Panel Control
- Before you start, disassemble Assy CoverTop, Assy
Drawer.
1. Remove 2 screws holding the drawerand panel
using (+) screwdriver.
2. Remove the screws at the top of the
ASSYPANELCONTROL using (+) screw driver.
(3ea)
3. Grab the panel and slightly push the housing
drawerto remove the hook and pull the panel
upwards to disassemble with body.
Be careful not to break the hook.
4. Hold the ASSY-PANEL CONTROLwhile pulling
it upwards and disassemble the terminal to
remove it. Press the hook while removing the
terminal.

12 _ Disassemblyand Reassembly
Reassembly
Part Figure Description
Assy Panel Control
1. Connect the terminal by hand. Take a look at
the hook and put it in the right place.
Make sure the Wire harness are not getting
stuck in other parts.
2. Assemble the hook of housing drawerand
aseemble screws at the top of the ASSY-PANEL
CONTROLwith (+) screw driver.
Be careful not to break the hook.
3. Assemble 2 screws holding the drawerand
panel with (+) screw driver.

Disassembly and Reassembly _13
Disassembly
Part Figure Description
Assy Housing-Drawer
Before you start, disassemble Assy CoverTop, Assy
Panel Control.
1. Remove 4 screws to disassemble frame plateup
using (+) screwdriver.
2. Remove the Band-ring. (2ea)
Be careful not to break the hose.

14 _ Disassemblyand Reassembly
Part Figure Description
Assy Housing-Drawer
3. Separate the watervalve hose with long nose
plier.
4. Separate Housing Drawerlow by pressing the
hooks on both sides by hand. To fully separate,
disassemble WaterValve.
Be careful not to break the hook.

Disassembly and Reassembly _15
Reassembly
Part Figure Description
Assy Housing-Drawer
1. Assemble the Housing Drawerlow by pressing
the hooks on both sides by hand.
Be careful not to break the hose.
2. Assemble the watervalve hose with long nose
plier.
Be careful not to break the hook.
Make sure to insert the hoses and assemble
the clamp, band rings correctly. There’re
risks of leakage orpoorperformance when
it’s misassembled.

16 _ Disassemblyand Reassembly
Part Figure Description
Assy Housing-Drawer
3. Assemble the Band rings. (2ea)
Make sure to insert the hoses and assemble
the clamp, band rings correctly. There’re
risks of leakage orpoorperformance when
it’s misassembled.
4. Remove 4 screws to disassemble frame plateup
using (+) screwdriver.

Disassembly and Reassembly _17
Disassembly
Part Figure Description
Frame Front
Before you start, disassemble Assy CoverTop, Assy
Panel Control.
Be careful not to tearup the diaphragm.
1. Using long nose pliers, pick up one of the
rings on Wire-Diaphragm which connect the
spring and the wire ends. Then, separate the
Wire-Diaphragm from the FRAME-FRONTand
Disconnect the Diaphragm.
2. Remove 2 screws holding the DOOR-LOCK
switch with (+) screw driver.
3. Disassemble the terminal (the blue box is
terminal location) by pressing the blue circle
part and remove 2 screws holding the Frame
Front with (+) screw driver.
4. Press the circled place to open up the cover
lter.
5. Remove 3 screws holding the bottom of the
FRAME-FRONTwith (+) screw driver.