Daewoo W60B3A401L-A User manual

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Domestic Dishwasher
SERVICE MANUAL
Models
W60B3A401L-A
W60B4A401L-A
DAEWOO

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Contents
1. FEATURES ..........................................................................................................3
2. SAFETY PRECAUTION.................................................................................4
3. WASH CYCLE TABLE.....................................................................................6
4. HOW TO KEEP YOUR DISHWASHER IN SHAPE...........................7
5. FAULT FINDING .............................................................................................8
6. MAINTENANCES SERVICES AND TROUBLE SHOOTING .......12
7. MALFUNCTION DIAGNOSTIC...............................................................15
8 TROUBLE SHOOTING GUIDE..................................................................19
9. NET DIMENSION..........................................................................................27

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1. Features
1.1 A++ grade for energy consumption of European standard
1.2 A grade for washing efficiency of European standard
1.3 A grade for drying efficiency of European standard
1.4 Electronic control, delay washing
1.5 Water softening function is provided which can prevent
incrustation forming
1.6 Conceal heater and avoid heater turf burning.
1.7 Super-capacity for 12/14 settings
The symbol on the product or on its packaging indicates that this product
may not be treated as household waste. Instead it shall be handed over to the
applicable collection point for the recycling of electrical and electronic equipment.
By ensuring this product is disposed of correctly, you will help prevent potential
negative consequences for the environment and human health, which could
otherwise be caused by inappropriate waste handling of this product.
For more detailed information about recycling of this product, please contact your
local city office, your household waste disposal service or the shop where you
purchased the product.

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2. Safety precaution
At time of delivery
--Check packaging and dishwasher immediately for signs of transport damage. If
the appliance is damaged, do not put it into use but contact your supplier or
customer service without delay.
--Please dispose of packaging materials properly.
During installation
--Site the dishwasher and connect it up in accordance with the installation
instructions.
--The dishwasher must not be connected to the electricity supply while
installation is being carried out.
--Ensure that the domestic wiring is properly earthed.
--The mains electricity supply must conform to the details shown on the
dishwasher nameplate.
--Do not connect the dishwasher to the electricity supply via an extension cable.
--Built-under and built-in appliances should always be installed under a
continuous work surface which it is attached to the adjacent cupboards, in order
to ensure that the appliance is entirely stable.
--After the appliance has been installed, the mains plug should still be easily
accessible.
--Not on all models:
The plastic housing on the water inlet contains an electrically operated valve.
The connecting wires are inside the inlet hose. Do not cut through this hose and
do not immerse the plastic housing in water.
--During installation, the power supply cord must not be excessively or
dangerously bent or flattened.
During normal use
--The dishwasher must only be used by adults for the washing of household
dishes and cooking utensils.
--This appliance cannot be installed outdoor, not even if the area in which it is
installed is covered by a roof; it is also very dangerous to leave it exposed to the
rain and elements.
--Do not place any heavy objects or stand on the door when it is open. The
appliance could tip forward.
--The water inside the dishwasher is not suitable for drinking.
--Do not use solvents of any kind inside your dishwasher. They could cause an
explosion danger.
--Open the door very carefully if the dishwasher is operating. There is a risk of
water squirting out.

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--Do not touch the heating element during or after a wash cycle.
--Fundamental rules to follow when using the appliance:
-- Never touch the dishwasher when barefoot or with wet hands or feet;
--We discourage the use of extension cords and multiple sockets;
-- If the appliance is not operating properly or maintenance must be performed,
disconnect the appliance from the power supply.

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3. Wash Cycle Table
W60B3A401L-A、W60B4A401L-A
Program Cycle Selection
Information Description of Cycle Detergent Pre/main
Running Time
(min) Energy(Kwh)
Water
(L)
Intensive
For the heaviest soiled
loads, such as pots, pans,
casserole dishes and dishes
that have been sitting with
dried food on them for a
while.
Pre-wash
Main wash (60℃)
Rinse 1
Rinse 2
Hot rinse
Drying
5/25g
(or 3 in 1) 194 1.20 15
Eco For normally soiled loads,
such as pots, plates,
glasses and lightly soiled
pans. Standard daily cycle.
Pre-wash
Main wash(46℃)
Rinse
Hot rinse
Drying
5/25g
(or 3 in 1) 191 0.92 11.5
Light
Light wash cycle to be used
for more delicate items
which are sensitive to high
temperatures. (Run cycle
immediately after use)
Pre-wash
Main wash(46℃)
Rinse
Hot rinse
Drying
5/20g
(or 3 in 1) 176 0.75 11.5
60 min For lightly and normally
soiled plates and pans for
every day.
Hot rinse 1
Hot rinse 2
Hot rinse(60℃)
Drying 5/20g 60 0.90 9.5
Rapid
A shorter wash for lightly
soiled loads that do not
need drying. Main Wash(40℃)
Hot rinse 15g 42 0.50 6
Pre-Rinse
To rinse dishes that you
plan to wash later that day.
Pre-wash / 9 0.01 5

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4. How to keep your dishwasher in shape
After Every Wash
After every wash, turn off the water supply the appliance and leave the door
slightly ajar so that moisture and odors are not trapped inside.
Remove the plug
Before cleaning or performing maintenance, always remove the plug from the
socket. Do not run risks.
No solvents or Abrasive Cleaning Products
To clean the exterior and rubber parts of the dishwasher, do not use solvents or
abrasive cleaning products. Rather, use only a cloth and warm soapy water.
To remove spots or stains from the surface of the interior, use a cloth dampened
with water and a little while vinegar, or cleaning product made specifically for
dishwashers.
Moving the Appliance
If the appliance must be moved, try to keep it in a vertical position. If absolutely
necessary, it can be positioned on its back.
Seals
One of the factors that cause odors to form in the dishwasher is food that remains
trapped in the seals.
Periodic cleaning with a damp sponge will prevent this from occurring.
The door should not be left in the open position since this could
present a tripping hazard.
When You Go on Holiday
When you go on holiday, it is recommended that you run a wash cycle with the
dishwasher empty and then remove the plug from the socket, turn off the water
supply and leave the door of the appliance slightly ajar. This will help the seals
last longer and prevent odors from forming within the appliance.

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5. Fault finding
Resolving minor problems yourself
Experience has shown that you can resolve most problems that rise during
normal daily usage yourself, without having to call out a service engineer.Not
only does this save costs,but it also means that the appliance is available for use
again that much sooner. The following list of common occurrences and their
remedies should help you identify the causes of most problems.
Problems...
...when the appliance is switched on
Appliance does not start up
--Fault with fuse in mains electricity supply.
--Plug not inserted in wall socket.
--Appliance door not closed properly.
--Programme button has not been pressed.
--Water tap not turned on.
--Blocked strainer in water intake hose.
--The strainer is situated in the Aqua-stop or supply-hose connection.
Service Diagnostics Cycle Notes
Press the “Power” and “Delay “buttons, after the buzzer emits 2 short signal, all
the LED indicators will be lighted, the LED display shows 888, the dishwasher
entry the service diagnostic cycle.
Fill Press” Programme” button
The inlet valve work about 1 minute
Dispenser Press “delay” button The dispenser work 60 seconds
Motor Auto
The upper spray arm washes 30s and
then the lower’s washes 30s when the
dishwasher has enough water.
Heater Auto The water will be heated up 60℃
Drain Press” Programme” button The drain pump work about 1 minute
Fill Press “delay” button The inlet valve work about 1 minute
Motor Press” Programme” button
The upper spray arm washes 30s and
then the lower’s washes 30s when the

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dishwasher has enough water.
Softener Press “delay” button The softener work 90 seconds
Drain Press” Programme” button The drain pump work about 1 minute
End Press “delay” button The buzzer emits 1 signal and the display
shows ---
If you take all these checks and the dishwasher still does not function or your
dishwasher have any other error display, you can power the dishwasher OFF, and
wait a few minutes. You can power the dishwasher on, try it again , if the
dishwasher still does not function and/or the problem persists, contact the
nearest authorised service center and provide them with the following
information:
--the nature of the problem.
--the model type number (Mod...) And the serial number (S/N...), which are
indicated on the plate located on the side of the inner part of the door.
Lower spray arm rotates with difficulty
--Spray arm is blocked by small items or food remains.
Lid in detergent compartment cannot be closed
--Detergent compartment has been overfilled.
--Mechanism is clogged with remnants of detergent.
Indicator lamps do not extinguish after washing has finished
--Main switch is still set to ON.
Remnants of detergent stuck inside dispenser
--Compartment was damp when it was filled up with detergent. Compartment
must be dry before detergent is added.
Water remains inside appliance after programme has ended
--Blockage or kind in drainage hose.
--Pump is jammed.
--Filters are blocked.
--The programme is still running. Wait for the programme to end .
...during washing
Unusual amount of foam is creased
--Normal washing up liquid has been poured into the rinse-aid container.
--Remove any spilled rinse aid with a cloth as it could otherwise lead to excessive
foaming during the next washing cycle.
Appliance stops suddenly while washing is taking place
--Cut off electricity supply to appliance.

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--Water supply has been interrupted.
Knocking sound can be heared while washing is taking place
A spray arm is knocking against the dishes inside the appliance.
Rattling sound can be heared while washing is taking place
Crockery has not been stacked properly inside the appliance.
Knocking sound coming from inlet valves
This is caused by the way the water pipes have been laid and it has no effect upon
the way the appliance functions. There is no remedy for this.
...with the dishes, cutlery, etc.
Remnants of food are stuck to the dishes, cutlery,etc.
--Dishwasher was not loaded properly. Jets of water could not reach all parts of
the dishes, ect.
--Too many items in the rack.
--Items in the rack were touching each other.
--Not enough detergent was added to dispenser.
--Selected wash programme was not intensive enough.
--Rotation of spray arm was obstructed by dishes, etc.
--Nozzles in spray arm are blocked by remnants of food.
--Filters are blocked.
--Filters have been incorrectly fitted.
--Waste-water pump is jammed.
Plastic items are discoloured
--Not enough detergent was added to dispenser.
--Detergent has insuffcient bleaching properties. Use a detergent containing a
chemical bleaching agent.
White stains are left on crockery, glasses have a milky appearance
--Not enough detergent was added to dispenser compartment.
--Amount of rinse-aid was set too low.
--Although water is quite hard, no salt has been put in appliance.
--Lid on salt container is not screwed tight.
--If you used a phosphate-free detergent , try a detergent containing phosphates
and compare results.
Dishes,cultlery,etc.have not been dried

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--Selected programme did not include drying function.
--Amount of rinse-aid was set too low.
--Items were removed from dishwasher too soon.
Glasses have a dull appearance
--Amount of rinse-aid was set too low.
Tea stains or traces of lipstick have not been completely removed
--Detergent does not have a sufficient bleaching effect.
--Washing temperature was set too low.
Traces of rust on cutlery
--Cutlery is not sufficiently rustproof.
--Salt content in washing water is too high.
--- Lid on salt container is not screwed tight.
--- Too much salt was spilt while filling container.
Glasses become clouded and discoloured; coating cannot be wiped off
Unsuitable detergent was used.
Glasses are not dishwasher-proof.
Smears left behind on glasses and cutlery; glasses have acquired a metallic
appearance
Amount of rinse-aid set too high.

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6. Maintenances Services and Trouble Shooting
6.1 maintenances services
With the aid of the following guide, minor problems can be easily corrected
Without calling for the assistance, saving you both time and money.
Before Calling for Service
Reviewing the charts on the following pages may make you be free of calling for service.
Problem Possible Causes What To Do
Dishwasher
doesn’t run
Fuse blown, or the
circuit breaker acted Replace fuse or reset circuit breaker. Remove any other
appliances sharing the same circuit with the
dishwasher.
Power supply is not
turned on
Make sure the dishwasher is turned on and the
door is closed securely. Make sure the power
cord is properly plugged into the wall socket.
Water pressure is low Check that the water supply is connected
properly and the water is turned on.
Drain pump
doesn’t stop Overflow The system is designed to detect an overflow.
When it does, it shuts off the circulation pump
and turns on the drain pump.
Noise
Some audible sounds are
normal Sound from detergent cup opening.
Utensils are not secure in the
baskets or something small has
dropped into the basket
To ensure everything is secured in the
dishwasher.
Motor hums
Dishwasher has not been used regularly. If you
do not use it
often, remember to set it to fill and pump out
every week,
which will help keep the seal moist.
Suds in
the tub
Improper detergent
Use only the special dishwasher detergent to
avoid suds.
If this occurs, open the dishwasher and let suds
evaporate.
Add 1 gallon of cold water to the tub. Close and
latch the
dishwasher, then start the "soak" wash cycle to
drain out the water... Repeat if necessary.
Spilled rinse agent Always wipe up rinse agent spills immediately.
Stained tub
interior Detergent with colorant was
used Make sure that the detergent is the one without colorant.
Dishes and
flatware
not clean
Improper program Select a stronger programme.
Improper rack loading Make sure that the action of the detergent dispenser and
spray arms are not blocked by large dishware.

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Spots and
filming on
glasses and
flatware
1Extremely hard water
2Low inlet
temperature
3Overloading the
dishwasher
4Improper loading
5Old or damp powder
detergent
6Empty rinse agent
dispenser
7Incorrect dosage of
detergent
To remove spots from glassware:
1Take out all metal utensils out of the
dishwasher.
2Do not add detergent.
3Choose the longest cycle.
4Start the dishwasher and allow it to run for
about
18 to 22 minutes, then it will be in the main
wash.
5Open the door to pour 2 cups of white vinegar
into the bottom of the dishwasher.
6Close the door and let the dishwasher
complete the cycle. If the vinegar does not work:
Repeat as above, except use 1/4 cup (60 ml)of
citric acid crystals instead of vinegar.
Cloudiness
on glassware
Combination of soft
water and too much
detergent
Use less detergent if you have soft water and
select a
shortest cycle to wash the glassware and to get
them clean.
Yellow or
brown
film on
inside
surfaces
Tea or coffee stains
Using a solution of 1/2 cup of bleach and 3 cups
of warm water
to remove the stains by hand.
WARNING
You have to wait for 20 minutes after a cycle to
let the heating
elements cool down before cleaning interior;
otherwise, burns will happen.
Iron deposits in water
can cause an overall film You have to call a water softener company for a special filter.
White film
on inside
surface
Hard water minerals
To clean the interior, use a damp sponge with
dishwasher
detergent and wear rubber gloves. Never use
any other cleaner
than dishwasher detergent for the risk of
foaming or suds.
The
detergent
lid cannot
be closed
properly
Clogged detergent residue is
blocking the catch. Clean the detergent from the catch.
Deter
g
ent
left in
dispenser
cups
Dishes block detergent
Cups Re-loading the dishes properly.
Steam Normal phenomenon There is some steam coming through the vent by the door
latch during drying and water draining.
Black or
gray marks
on dishes
Aluminum utensils have
rubbed against dishes Use a mild abrasive cleaner to eliminate those marks.
Water
standing on
the bottom
of the tub
This is normal
A small amount of clean water around the outlet
on
the tub bottom keeps the water seal lubricated.

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Dishwasher
leaks
Overfill dispenser or rinse aid
spills
Be careful not to overfill the rinse aid dispenser.
Spilled rinse aid could cause oversudsing and
lead to overflowing. Wipe away any spills with a
damp cloth.
Dishwasher isn't level Make sure the dishwasher is level.
6.2 Error codes
When some malfunctions happen, the appliance will display error codes to warn
you.
Codes Meanings Possible Causes
E1 Door open
T
he door is opened when the
dishwasher is operating.
E2 Water inlet Water inlet malfunction.
E3 Water drainage
Water drainage malfunction.
E4 Temperature sensor
Temperature sensor malfunction.
E5 Overflow
Overflow occurs/water leakage occurs.
E6 Water leakage Water leakage occurs.
E7 Heating element Abnormal heating.
E8 Water diversion system Water diversion system malfunction

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7. Malfunction Diagnostic
Wiring Diagram
Inlet Valve
Softner Valve
Dispenser Valve
Pressure Switch
Over Flow
Door
TS
Salt
Rinse
TS
Diverter_switch
Flow Meter
+5V
Pressure switch
CN5
+5V
Door
Pressure switch
M
Diverter
Door

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7.1 Connector of PCBA
7.2 Dishwasher Strip Circuits
The following individual circuits are for use in diagnoses. Do not continue with
the diagnoses of the appliance if a fuse is blown, a circuit breaker is tripped, or if
there is less than a 230 volt power supply at the wall outlet.
■ Unplug dishwasher or disconnect power.
■ Perform resistance checks. To check resistance of a component, disconnect
harness leads first.
Power Up
N
LN
PCBA
L

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Washing Motor
L
CN1-1
LMOTOR
Motor relay
150 ℃ thermostat
75-90W/230V/50Hz
main winding 240±5 ohm
auxiliary winding 116±5 ohm
N
door switch
PCBA
CN3-1
Heater Element
L
Heater
LHeater relay
98 ℃
229 ℃
non-resetable
thermostat
Heating element
10-30 ohm
230V/1800W
self-reset
thermo-link
N
PCBA
Drain Pump
door switch
N
30W max
230V/50Hz
110-120 ohm
90℃ thermostat
drain pump relay Drain
LCN1-2
L
PCBA
CN3-1
Fill and OverFlow
L
CN2-1
L
inlet valve
30W max
230V/50Hz
3.5-4.0K ohm
door switch
2
1
3
Over Flow
(Pin1 and Pin3 closes in
normal position;Pin1 and
Pin2 close when
over-flow)
CN3-3
PCBA
Inlet relay
N
CN3-1

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Dispenser
L
CN2-4
L
Dispenser
relay
Dispenser valve
220-240V/50Hz
N
door switch
PCBA
CN3-1
softener
N
door switch
softener valve
PCBA CN3-1
LSoftener
relay
CN2-3
L
Softener
Diversion water system
N
door switch
PCBA
CN3-1
LCN2-5
L
water diversion system
diverter motor relay diverter motor

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8Trouble shooting guide
Water inlet malfunction
Y
E2 Malfunction
The
tap is
open?
Y
Pressure
switch is
OK?
Y
CN3-3 short
and open
circuit?
Y
Flower
meter is
ok?
CN4-1 and
CN4-3 short or
open circuit?
Y
Replace PCB
Maintenance
record
NReplace
Pressure
switch
NReplace
Flower
meter
NReplace
control wire
N
Power on
N
E2?
N

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Water drainage malfunction
N
E3
The drain
pipe is
blocked?
Y
CN3-10 and
drain pump
short or open
circuit?
Y
The drain
pump is
OK?
Y
The
pressure
switch is
OK?
The centure
wire is ok?
Y
Replace PCB
Maintenance record
NReplace
control
wire
NReplace
pressure
switch
NReplace
centure
wire
N
Y
N
Replace
drain
pump
Power on
Power on
E3?
Y