Samsung WF8800, WF8802, WF8700, WF8714 Schematic
WASHING MACHINE
DRUM TYPE
Basic Model : Q1657
(TS EURO PROJECT)
Model Name : WF8800*
SERVICE
WASHING MACHINE (DRUM) CONTENTS
WF8700*
WF8802*
WF8804*
WF8814* WF8714*
WF8754*
(HEBA PROJECT)
WF8702*
WF8704*
Manual
WF8802DPF WF8702LSV
1. Safety Instructions
2. Features and Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Schematic Diagram
8. Reference Information
Refer to the service manual in the GSPN (see the rear cover) for the more information.
CONTENTS
1. Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1-1. Safety instructions for service engineers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
2. Features and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2-1. Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2-2. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
2-3. Comparing specifications with existing models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
2-4. Options specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3. Disassembly and Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3-1. Tools for disassembly and reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3-2. Standard disassembly drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4-1. Error modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
4-2. Corrective actions for each error code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
5. PCB diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
5-1. Main PCB (Best: WF880*P* / WF870*P*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
5-2. Main PCB (Better: WF880*S* / WF870*S*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
5-3. Circuit diagrams of main parts (Best: WF880*P* / WF870*P*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
5-4. Circuit diagrams of main parts (Better: WF880*S* / WF870*S*) . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
5-5. Sub PCB (Best: WF880*P* / WF870*P*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
5-6. Sub PCB (Better: WF880*S* / WF870*S*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
5-7. Detailed descriptions of contact terminals (sub PCB-Best: WF880*P* / WF870*P*) . . . . . . . . . . . . .41
5-8. Detailed descriptions of contact terminals (sub PCB-Better: WF880*S* / WF870*S*) . . . . . . . . . . . .42
6. Wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
6-1. Wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
7. Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
7-1. Main control (Best: WF880*P* / WF870*P*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
7-2. Main control (Better: WF880*S* / WF870*S*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
7-3. Sub control (Best: WF880*P* / WF870*P*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
7-4. Sub control (Better: WF880*S* / WF870*S*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
8. Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
8-1. HEBA Project name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
1. SAFETY INSTRUCTIONS
1-1. SAFETY INSTRUCTIONS FOR SERVICE ENGINEERS
► 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.
Hazards or unsafe practices that may result in severe personal injury or death.
WARNING
Hazards or unsafe practices that may result in minor personal injury or property damage.
CAUTION
WARNING
• (When servicing electrical parts or harnesses) Make sure to disconnect the power plug before servicing.
Failing to do so may result in a risk of electric shock.
• Do not allow consumers to connect several appliances to a single power outlet at the
same time.
There is a risk of fire due to overheating.
• When removing the power cord, make sure to hold the power plug when pulling the plug
from the outlet.
Failing to do so may damage the plug and result in fire or electric shock.
• When the washing machine is not being used, make sure to disconnect the power plug
from the power outlet.
Failing to do so may result in electric shock or fire due to lightning.
BEFORE SERVICING
• Do not place or use gasoline, thinners, alcohol, or other fl
machine.
There is a risk of explosion and fire caused from electric sparks.
ammable or explosive substances near the washing
Safety Instructions _ 1
2 _ Safety Instructions
WARNING
• Check if the power plug and outlet are damaged, flattened, cut or otherwise degraded.
If faulty, replace it immediately.
Failing to do so may result in electric shock or fire.
• Completely remove any dust or foreign material from the housing, wiring and connection parts.
This will prevent a risk of fire due to tracking and shorts in advance.
When connecting wires, make sure to connect them using the relevant connectors and check that they are
•
completely connected.
If tape is used instead of the connectors, it may cause fire due to tracking.
WHILE SERVICING
• Make sure to discharge the PBA
Failing to do so may result in a high voltage electric shock.
• When replacing the heater
If not inserted into the bracket-heater, it touches the drum and causes noise and electric leakage.
WARNING
• Check the wiring.
Ensure that no wire touches a rotating part or a sharpened part of the electrical harness.
• Check for any water leakage.
Perform a test run for the washing machine using the standard course and check whether there is any water
leakage through the floor section or the pipes.
• Do not allow consumers to repair or service any part of the washing machine
themselves.
This may result in personal injury and shorten the product lifetime.
AFTER SERVICING
power terminals before starting the service.
, make sure to fasten the nut after ensuring that it is inserted into the bracket-heater.
• If it seems that grounding is needed due to water or moisture, make sure to run
grounding wires.
(Check the grounding of the power outlet, and additionally ground it to a metallic water
pipe.)
Failing to do so may result in electric shock due to electric leakage.
[Running a grounding wire]
Twist a grounding wire (copper wire) two or three times around the tap.
-
- If you connect the grounding wire to a copperplate, bury it 75 cm under the earth in a
place with a lot of moisture.
Do not connect the grounding wire to a gas pipe, plastic water pipe or telephone
wire. There is a risk of electric shock or explosion.
Grounding
terminal
75 cm
Copperplate
CAUTION
• Do not sprinkle water onto the washing machine directly when cleaning it.
This may result in electric shock or fire, and may shorten the product lifetime.
• Do not place any containers with water on the washing machine.
If the water is spilled, it may result in electric shock or fire. This will also shorten the
product lifetime.
Do not install the washing machine in a location exposed to snow or rain.
•
This may result in electric shock or fire, and shorten the product lifetime.
BEFORE SERVICING
• Do not press a control button using a sharp tool or object.
This may result in electric shock or damage to the product.
CAUTION
• When wiring a harness, make sure to seal it completely so no liquid can enter.
Make sure that they do not break when force is exerted.
• Check if there is any residue that shows that liquid entered the electric parts or harnesses.
If any liquid has entered into a part, replace it or completely remove any remaining moisture from it.
WHILE SERVICING
• If you need to place the washing machine on its back for servicing purposes, place a support(s) on the floor and lay it
down carefully so its side is on the floor
Do not lay it down on its front.
.
This may result in the inside tub damaging parts.
Safety Instructions _ 3
CAUTION
• Check the assembled status of the parts.
They must be the same as before servicing.
• Check the insulation resistance.
Disconnect the power cord from the power outlet and measure the insulation resistance between the power plug
and the grounding wire of the washing machine. The value must be greater than 10MΩ when measured with a
500V DC Megger
AFTER SERVICING
• Check whether the washing machine is level in relationship with the floor
it is installed firmly on the floor.
Vibrations can shorten the lifetime of the product.
. Check whether
4 _ Safety Instructions
2. FEATURES AND SPECIFICATIONS
2-1. FEATURES
COMMON FEATURES
Features Description
Implementing 8 kg in the
Standard Size
Addition of a Liquid
Detergent Tray
Diamond Drum • The washing performance has increased but potential damage to the washing has
• This is the maximum capacity to be implemented at the standard 60 cm depth.
- The benefits for customers have been greatly increased due to the efficient
use of limited space.
- Usability has been improved due to the easier loading and removing of the
laundry.
• The size of the loading entry has increased: 300 mm → 330 mm (Wide)
A lot more washing can be conveniently added and removed.
-
330 mm
• Usability has been improved due to the newly added Liquid Detergent Tray.
been minimized. (The size of the holes on the diamond drum has been reduced
for minimizing damage to the washing.)
- The embossed wall of the drum serves as a washboard, dramatically
increasing the washing performance compared with existing drum washing
machines, which use the power of the difference in elevation only
- The size of holes has been reduced drastically, maintaining the optimal wash
performance (Washing Cost 1.0) while saving on water and electricity required
for washing.
- The structure of the holes on the diamond drum has been changed minimizing
potential damage to the washing since it is difficult for strands to enter the
holes.
.
Conventional
Diamond Drum
Fabric
Fabric
Features and Specifi cations _ 5
6 _ Features and Specifi cations
OPTIONAL FEATURES
► The features below depend on the model.
Features Description
Air Refresh System • Sterilization/Deodorization/Removal of Ticks without Water Washing (Air Washing
Using Air and Heating)
Destroying bacteria and ticks without the use of water
-
- Removing the sweat and dirt odors
- Maintaining the shape and color of the washing without dry-cleaning
• Washing with air.
- Removing odors by heating, keeping the washing as new.
- Washing with air conveniently, compared with dry-cleaning
The goal of deodorization is 60 percent. (40-minute cycle)
• Washing one or two shirts in 30 minutes
- If a piece of clothes is not completely dry when it is humid, the machine can
dry it within 30 minutes
• Preventing bio-film caused by humidity from occurring
- You do not need to worry about the humidity inside the drum.
- The drum is dried regularly, preventing bio-film.
Water Safety System • The Water Safety System has invented for perfect leakage protection. The double
safety valve connects directly to the water faucet. In the event of a leakage,
the built-in sensor immediately detects the leak within a few short seconds,
automatically turning off both the water supply and the washing machine.
- Inlet hose
It attached to the water supply hose and automatically
cuts off water flow when hose damaged. It also
displays a warning indicator.
- Leakage Sensor
A water leakage sensor attached at the bottom of the washing machine to
cutoff the power automatically if a leakage occurs, to prevent danger of a fire.
► The features below depend on the model.
Features Description
Silver Wash System • Samsung’s unique technology generates silver ions that remove bacteria and
fungi, and create an invisible shield that protects your clothes from unwanted
odors until your next wash. Using an ancient and proven purification technique so
simple, yet so advanced it removes microbes even in cold water.
• Effect of Silver W
ash System
- Keeps Stored Clothes Fresh
Ag+ Silver (Nano) Technology anti-bacterial effect keeps fabric free from
The
odor-causing micro-organisms for up to one month, without the use of strong
chemical cleaners. There’s no need to worry about musty-smelling clothes
even if they remain unused for a long period.
- Makes Shapeless Garments a
Thing of the Past
High temperatures and harsh bleaches can damage and discolor your clothes.
The Ag+ Silver (Nano) Technology helps your clothes last longer, without
stretching, shrinking, pilling or fading.
Ceramic Heater • The ceramic heater in Samsung washing machine prevents metals in hard water
from being attach to the heater, which may cause a reduction in heater efficiency.
It saves energy, time and costs.
- Energy Savings
Over time, conventional heaters increase their power consumption an average
of 5.8 percent, while ceramic heaters only become 1.8 percent less efficient.
- Time Savings
After three years, conventional heaters take 7.5 percent longer to heat up,
whereas ceramic only lose 2.5 percent longer to heat up, whereas ceramic
only lose 2.5 percent of their ability to heat up.
10 Years
Ceramic
Enlarged
iew
V
Producted
Surface
No Build-Up
2.7 Years
Normal
Enlarged
View
Molecules
binding
Scale
Formation
Features and Specifi cations _ 7
8 _ Features and Specifi cations
2-2. SPECIFICATIONS
Model WF8804*/WF8802*/WF8800* WF8704*/WF8702*/WF8700*
Wash Type FRONT LOADING TYPE
Dimension W 598 mm X D 600 mm X H 844 mm
Water Pressure 50 kPa ~ 800 kPa
Water Volume 64 ℓ 56 ℓ
Weight 74 kg / 73 kg / 72 kg 73 kg / 72 kg / 71 kg
Wash & Spin Capacity 8.0 kg 7.0 kg
WASHING
Power
Consumption
Spin Revolution rpm 1400 / 1200 / 1000 1400 / 1200 / 1000
WASHING and
TING
HEA
844
220 V 150 W 220 V 150 W
240 V 150 W 240 V 150 W
220 V 2000 W 220 V 2000 W
240 V 2400 W 240 V 2400 W
600
598
2-3. COMPARING SPECIFICATIONS WITH EXISTING MODELS
() : Functions may be different depending on the model.
Grade Heba TS euro
Model Name
Image
WF8804*/
WF8802*/
WF8800*
WF8704*/ 8754*
WF8702*/
WF8700*
Q1657
Feature
Capacity 8.0 kg 7.0 kg/7.5Kg(WF8754*) 7.5 kg
Drum Volume 64 ℓ 56 ℓ 57 ℓ
Max rpm 1400 / 1200 / 1000 1400 / 1200 / 1000 1600
Motor Universal 3 phase inverter
Control Sys General General
eight Detection 3 Stages No
W
Main Spec
USP
Design
Dimension (W X D X H mm) 598 x 600 x 844 600 x 600 x 850
Heater Capacity 2000 W / 230 V 2400 W /230 V
Water Supply Cold Only Cold and Hot Cold Only
Drainage Pump Pump
Power-Outage
Compensation
Zero Standby Power Y
Air Refresh
Silver Wash
Water Safety
Ceramic Heater
Diamond Drum Yes No
Loading Entry Size Wide (330 mm) 300 mm
Detergent
Installation Handle No No
Center Jog Dial Yes No
Display
Tray Powder/Liquid Powder Only
Big Door Yes (480 mm) No (400 mm)
High G.LED
Mid Dot Display
Diamond drum
Big door design
Yes Yes
es (1W or Less) No
Yes ()
Y
es () Y
()
Yes
Y
es ()
Silver wash
Wide G.LED
es ()
G.LED
No
No
No
Features and Specifi cations _ 9
3. DISASSEMBLY AND REASSEMBLY
3-1. TOOLS FOR DISASSEMBLY AND REASSEMBLY
Tool Type Remarks
10mm
Box driver
Double-ended
spanner
Vice pliers
Others
(screwdriver, nipper,
long nose pliers)
13mm
19mm Pulley(1)
10mm
13mm
19mm
Heater(1),Tub(12), Fixer screw(5), Motor(2),
Balance(9)
Shock Absorber (2 holes each in left/right),
Damper(2), Damper(friction 2)
Replaced by box driver
Leg
A Tool for protecting empty turning of bolt or
abrasion from using box driver
For disassembly of Spin drum
Common tools for servicing
Removal and Reassembly _ 11
12 _ Removal and Reassembly
3-2. STANDARD DISASSEMBLY DRAWINGS
► This is a standard disassembly diagram and may differ from the actual product.
Use this material as a reference when disassembling and reassembling the product.
Part Figure Description
1. Remove the two screws holding the Top
Cover at the back of the unit.
2. Remove the top-cover by lifting it up after
pulling it back about 15mm.
ASSY COVER TOP
Water valve Noise filter
Sensor pressure
3. Then, the Water (Pressure) Sensor, Noise
Filter and Water Valve can be replaced.
Part Figure Description
1. Remove the 2 screws holding the front
operating panel.
Remove the four screws at the top of the
2.
ASSY-PANEL
CONTROL.
MAIN-PCB AND
SUB-PCB PANEL
Hold the
3.
pulling it upwards and release the hook to
remove it.
4. Disconnect the terminals connected to the
PCB by hand.
5. Remove the four screws holding the PCB
and release the hooks on both sides to
remove the PCB for repair / replacement.
ASSY-PANEL CONTROL while
Removal and Reassembly _ 13
14 _ Removal and Reassembly
Part Figure Description
1. Separate the Wire-Diaphragm from the
Front-Frame and remove the Diaphragm.
2. Remove the two screws holding the
FRAME-FRONT
.
FRAME FRONT
3.
Remove the two screws holding the bottom
of the FRAME-FRONT
4.
Disconnect the terminal for the DOORLOCK switch.
The DOOR-DIAPHRAGM, HEATER, PUMP,
5.
SHOCK- DAMPER and DOOR LOCK
switch.
.
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