Samsung S801GW-YLW, S801GB-YLW, S801GE-YLW, S801GS-YLW, S801GP-YLW Service Manual
WASHING MACHINE
S801GW/YLW
S801GB/YLW
S801GE/YLW
S801GS/YLW
S801GP/YLW
Manual
SERVICE
WASHING MACHINE
CONTENTS
Caution for the safety during servicing
1. SPECIFICATIONS
2. SAFETY DEVICES
3. OVERVIEW OF THE WASHING MACHINE
4. OVERVIEW OF THE CONTROL PANEL
5. MAIN FUNCTION
6. TECHNICAL POINT
7. TROUBLE DIAGNOSIS
8. TEST MODE
9. DESIGNATION OF MAIN COMPONENTS
10. PCB SCHEMATIC DIAGRAM
10-1. PCB CIRCUIT DIAGRAM
11. SETTING UP A WASH MACHINE
12. ASSEMBLE AND DISASSEMBLE
13
. TOOLS FOR DISASSEMBLY AND ASSEMBLY
14. EXPLODED VIEW AND PARTS LIST
Caution for the safety during servicing
1. Do not allow the customer to repair the product.
The person may be injured or the product life may be shortened.
2. Execute A/S after unplugging the power supply unit.
Be care of the electric shock.
3. Do not plug several plugs in the same outlet.
It may cause the fire due to overheat.
4. Check the damage, pressing or burning of the power plug or outlet.
Replace it promptly if it has problem. (may cause the electric shock or fire)
5. Do not clean the main body with the water.
It may cause the electric shock and fire and shorten the product life.
6. The wiring of the harness shall be free from the moisture and tightened during serving.
It shall not be deviated by certain impact.
7. Remove any dust or filth on the housing section, wiring section,connection section during servicing.
Protect the cause of the fire such as the tracking,and etc.
8. Check any mark of the moisture on the electrical parts, harness section and etc.
Replace the parts or remove the moisture.
9. Check the assembly status of the parts after servicing.
Maintain the status before servicing.
10. Pull out the pow er cord with holding the plug.
Be care of the electric shock and fire when the cord is damaged.
11. Unplug the power plug from the outlet when the wash machine is not used.
Be care of the electric shock and fire due to the strike of the lightening.
12. Do not use or store the spray or flammable materials(including gasoline,alcohol and etc.)
around the wash machine.
Be care of the explosion or fire due to the electric spark.
13. Do not put the bowl of water or wet laundry on the w as h machine.
If the water is penetrated to the wash machine, this may cause the electric shock or fire.
14. Do not install the wash machine in the place where the snow or rain falls.
It may cause the electric shock and fire and shorten the product life.
15. Do not push the control buttons with the awl,pin, or sharp materials.
It may the electric shock and trouble.
16. Check the wash machine is leveled horizontally and installed properly on the floor.
The vibration may shorten the product life.
17. Joint the wire by the connector correctly.
When the wire is jointed by the tape, this may cause the fire due to the tracking.
18. When the wash machine is to be laid for the service, put the pad on the floor and lay the product at
side slowly.
If the wash machine is laid front, the relay may be damaged by the tub.
19. When the wash-heater is replaced, check it is inserted in the bracket-heater and screw the nut.
If the wash is not inserted in the bracket-heater properly, this may cause the noise and
leakage since it is contacted to the drum.
1. Specifications
WASH TYPE
DIMENSION
WATER PRESSURE
WEIGHT
WASH and SPIN CAPACITY
POWER CONSUMPTION
WATER CONSUMPTION
SPIN REVOLUTION
FRONT LOADING TYPE
GROSS W 680mm X D 470mm X H 892mm
NET W 598mm X D 340mm X H 844mm
50 kPa ~ 800 kPa
GROSS 58 kg
NET 55 kg
3.5 kg (DRY LAUNDRY)
220 V 70 W
WASHING
WASHING and
HEATING
MODEL S801
SPIN
220-240V
PUMPING 34 W
MODEL S801
rpm 800
240 V 70 W
220 V 1800
240 V 2100
200 W
43(STANDARD COURSE)
2. Safety Devices
We adapt 5 safety devices for users to use this wash machine safely.
1) Balancing device (ASSY-Main PCB)
When the lauandry is out of balance, to prevent the noises and vibrations, the unbalance
detecting sensor helps the laundry laid even and continue the dehydating process.
2) Anti-over water supply device
Because water supply value is broken, once water is supplied to the 2/3 level of the door, the
water supplied is drained automatically.
3) Temperature-regulating device (thermistor)
To prevent over-heating over the temperature setted up, THERMISTOR senses the temperature of
the machine continuously and helps the wash machine to work at the temperature given by users.
4) Overheating- controlling system
Under the circumstances of THERMISTOR inferiority or abnormal condition, if wash-heater is
overheated, automatically, assy -thermal fuse cuts off the power supply to protect the machine to
keep it safe.
5) Delicate clothing safeguard function(ASSY-Main PCB)
To protect the clothings which is weak to high temperature, the wash machine senses the
temperature inside the washing tub. if the temperature rises over 50wool washing course and
Delicate washing course drain the water.
3. Overview of the Washing Machine
4. Overview of the control panel
5. Main function
1) Auto power S/W off function
After power on, the auto power S/W off function automatically switches power off for you if you do not press
selection button for 10 minutes.
After selecting the function, the auto power S/W off function automatically switches power off for you if you do
not press start/pause button for 10 minutes.
until 5 minutes past, After finishing the last function, the auto power S/W off function automatically switches
power off for you if you do not re-select the course button or manual button.
2) Door open function
If door is open during the operating, all operating is halted and error melody will coming out.
Door open error can be cleared by closing the door. the operating keeps going on.
3) Rinse hold function
If rinse hold function selected, the operating is finished , the machine do not drain the water after last rinse.
4) No spin function
If no spin function selected, the operating is finished after last rinse.
5) Pre-washing function
Pre-washing function can be selected ,when you choice the following mode; cotton, coloreds, sythetics, delicates,
baby cotton.
Water level/reverse time is the same with the selected course.
Pre-washing takes about 15 minutes.
6) Rinse+ function
This function practises rinse process once more
5. Main function
7) Power-out compensation function
If power is out on selected process, the process before power out is stored to EEPROM, once power is back
the process before power out continues.
When power is back, washing process starts from the process at the point of the power out, rinse/drain process
starts from the initial process.
POWER-OUT COMPENSATION FUNCTION PROCESS
WASHINGSTART
POWER OUT
SAVE DATA
to EEPROM
READ DATA
(PROCESS+TIME)
8) Water heater Error function
This function starts working, when the heater works abnormally.
(this function begins sensing the heater 2 minutes later, after the heater operating)
The value of the initial thermistor(A1) is compared with that of the thermistor(A2) in 2 minutes (Y=A2-A1)
- For 10 minute the variance of temperature(Y) is less than 2.
The value of the initial thermistor(A1) is compared with that of the thermistor(A2) in 11 minutes (Y=A2-A1)
- For 1 minute the variance of temperature(Y) increases more than 7(0.3V).
At this time heater, error melody will coming out and all working process off
The heater operating continues during heating hours, if washing hour is left over, the residual washing process
keeps going without heating.
POWER BACK
MICOM RESTORE
RESTART
PROCESS
RINSE/DRAIN
START
SAVE DATA
to EEPROM
RINSE/DRAIN
PROCESS
POWER OUT
POWER BACK
MICOM RESTORE
FINISH
5. Main function
9) Fuzzy washing function (weight-sensing)
After finishing initial water supply, when the fall of the water level needs supplementary water supply,
Sensing function perceives the weight with the supplementary water supply numbers and starts to work.
Under the course of Cotton, or Coloureds, if the supplementary water supply numbers become 3 - 4 times the
function is going at default condition ( high water level ), if 1-2 below that is going at middle level, if 0 below
low water level, heating hours and rinse hours depend on the above data.
ECO PRE mode is selected, the process going on at default condition.
Washing hours
Cotton Coloureds
High Default Default Default
Middle Default-12 min Default-7min 22.80KHZ
Low Default-25 min Default-15min 23.30KHZ
After sensing weight, above hours is decreased from above default hours
10) Bubble -detecting function
At the each condition of washing&dehydrating , rinse&dehydrating , hydrating, bubble -detecting function works,
this function works 5times normally, if the function detects bubbles at 6 times , the bubble-detecting function
stops and go on to the next process.
The bubble-detecting function during washing & dehydrating to rinse & dehydrating
after 2 times instant dehydrating and before main dehydrating, if the water level is under 25.45KHZ, Bubble
Detecting function thinks there are bubbles and add the bubbles-removing rinse, needing hours are above
hours and 8 min 40 sec.
The bubble-detecting function during single hydrating process
after 2 times instant dehydrating and before main dehydrating , if the water level is 25.45KHZ below or
during main dehydrating, water level data is 23.80KHZ below Bubble-detecting function thinks there are
bubbles and add the bubbles-removing rinse 1 times, needing hours are above hours and 5 min 55 sec.
Rinse water level
Bubble-detecting function operating process
20 sec
laundry scattering
draining &reverse
1min
unbalance
detecting range
600rpm
500rpm
bubble detection
(default water level 25.45KHZ below)
5. Main function
11) Unbalance detecting & laundry balance positioning system
Just before the hydrating process and just after reversal rotation for balancing laundry position, this function is
carried out.
The initial 6 sec is the period of reversal rotation for balancing laundry position , Drum rotates 50 rpm for
initial 6 sec.
Next 10 sec, the rotation increases the speed from 50 rpm to 90 rpm slowly
During the next 18 sec, drum rotates at the speed of 90 rpm, the sensor decides the degree of laundry
unbalance with TACHO data which is attached to motor
If the degree of unbalanced laundry is over 6 times to default value, laundry balancing system carries out
feed back process 6 times
Unbalance detecting & laundry balance positioning system
600rpm
600rpm
500rpm
500rpm
20 sec
laundry scattering
unbalance
detecting range
90rpm
12) R.P.M control
The rotating motor enables the magnetics( i.e generator) to generate magnetic flux in proportion to r.p.m,
magnetic flux induced by coil sensor in the opposite side produces the wave like the figure below to d/dt and
via rectangual wave generating circuit, the waves reaches MICOM and micom controls r.p.m with the pulse,
count and cycle inputted by program.
<COIL electrical wave at both ends>
V(VOLT)
Vp
T (HOUR)
6. Technical point
1) Motor on/off time at each course
Washing Rinse
Course
Cw Off Ccw Off Cw Off Ccw Off
Cotton
Coloureds
Synthetics
Delicates
Wools
Quick
Motor on/off time is measured in cold water, in heating time motor on/off time is 10 sec on and 5sec off in
the cotton course, beside cotton course, in the other course motor on/off time is the same with that of cold
water use.
13 3 13 3 10 5 10 5 50
11 4 11 4 10 5 10 5 50
7 8 7 8 7 8 7 8 40
5 10 5 10 5 10 5 10 30
2 58 2 58 2 28 2 28 25
12 3 12 3 10 5 10 5 45
2) Final dehydrating r.p.m at each course
unit:sec
Motor r.p.m
unit:rpm
Model
Course
Cotton
Coloureds
Synthetics
Delicates
Wools
Quick
You can change the r.p.m to the above a table by use spin button under no spin situation.
3) The water supply control at each process cycle
Process cycle
Washing
Rinse
Model
Cold water 4.5L/min + cold 10L/min
Cold water 4.5L/min + cold 10L/min
S801
S601
800
800
800
600
400
800
Final rinse
Cold water 4.5L/min + cold 10L/min + cold 2L/min
6. Technical point
4) The water level data at each course
Course
Cotton
Coloureds
Synthetics
Delicates
Wools
Quick
Water level
Washing
Rinse
Washing
Rinse
Washing
Rinse
Washing
Rinse
Washing
Rinse
Washing
Rinse
Default w ater level(khz)
23.50 24.00 23.70
large 22.45
small 23.30
23.50 24.00 23.70
22.45 24.00 23.50
23.50 24.00 23.70
22.45 24.00 23.50
22.80 23.55 23.35
22.65 23.55 23.35
22.45 23.35 23.00
22.15 23.35 23.00
23.50 24.00 23.70
22.45 24.00 23.50
Supplemetary water
START(Khz)
24.00 23.50middle 22.80
unit:Khz
Supplemetary water
end(khz)
5) The other water level data
The water data unter each conditon
1st water supply (only preparation)
Overflow error
Bubble
detectingatwashing/rinse/dehydrating
Bubble detecting rinse water level
Water level which can open door
Water level which can drive heater
Water level which can reset the drain
If water level is 15KHZ below or 30 KHZ above , sensor-pressur is out of order so needs changing.
24.60 1st water supply level to washing tub
20.50 The water supplied reach 2/3 of door
25.45 Bubble -detecting water level
22.00 The water level which can detect bubbles
23.80
24.50 Safety water level of wash heater
24.50 The water level can be detected after 1st draining
It is possible to open the door
unit:Khz
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