Smeg STX4-3 User manual

INSTRUCTION MANUAL
DISHWASHER

Contents
23
1. Safety and operating instructions __________________________ 24
2. Installation and hook-up _________________________________ 26
2.1 Water supply connection _____________________________________________________ 26
2.2 Electrical connection ________________________________________________________ 27
3. Description of the controls _______________________________ 28
3.1 Upper panel _______________________________________________________________ 28
3.2 Information display__________________________________________________________ 28
3.3 Washing programs__________________________________________________________ 29
4. Operating instructions___________________________________ 30
4.1 Using the water softening system ______________________________________________ 30
4.2 Using the rinse aid and detergent dispensers _____________________________________ 32
4.3 General warnings and recommendations ________________________________________ 34
4.4 Using the baskets___________________________________________________________ 35
5. Cleaning and maintenance _______________________________ 38
5.1 General warnings and recommendations ________________________________________ 38
6. Troubleshooting _______________________________________ 41
Thank you for choosing this product.
We advise you to carefully read all the instructions contained in this manual, in order to understand
how to operate your dishwasher safely and correctly.
The manual is divided into paragraphs, which provide a step by step description of the dishwasher
functions, with clear instructions accompanied by detailed illustrations.
Recommendations are given for the correct use of the baskets, spray arms, containers, filters,
washing programs, and for operating the controls.
Follow the recommended cleaning procedures to ensure that your dishwasher always remains in
perfect working order.
This manual provides a quick and easy reference for answering all your questions concerning the
use of your new dishwasher.
INSTALLATION INSTRUCTIONS: these are intended for the qualified technician who must carry
out the installation, hook-up and testing of the appliance.
USER INSTRUCTIONS: these consist of recommendations for using the appliance, a description of
its controls and of the correct cleaning and maintenance procedures.

Safety instructions
24
1. Safety and operating instructions
THIS MANUAL FORMS AN INTEGRAL PART OF THE APPLIANCE: IT MUST ALWAYS BE KEPT INTACT TOGETHER
WITH THE DISHWASHER. BEFORE USING THE APPLIANCE, CAREFULLY READ ALL THE INSTRUCTIONS
CONTAINED IN THIS MANUAL. INSTALLATION MUST BE PERFORMED BY A QUALIFIED TECHNICIAN, IN
COMPLIANCE WITH THE REGULATIONS IN FORCE. THIS APPLIANCE IS INTENDED FOR DOMESTIC USE, AND
COMPLIES WITH THE EEC DIRECTIVES 72/23, 897336 (INCLUDING 92/31) CURRENTLY IN FORCE, INCLUD ING THE
PREVENTION AND ELIMINATION OF RADIO FREQUENCY INTERFERENCE. THE APPLIANCE IS DESIGNED FOR
THE FOLLOWING PURPOSE: WASHING AND DRYING OF DISHES; ANY OTHER USE SHALL BE CONSIDERED
IMPROPER. THE MANUFACTURER DECLINES ALL RESPONSIBILITY FOR USES OTHER THAN THOSE
DESCRIBED ABOVE.
THE NAME PLATE FEATURING THE TECHNICAL DATA, SERIAL NUMBER AND MARKINGS IS VISIBLY POSITIONED
ON THE INNER EDGE OF THE DOOR. THE NAME PLATE ON THE INNER EDGE OF THE DOOR MUST NEVER BE
REMOVED.
DO NOT LEAVE THE DISCARDED PACKAGING MATERIALS UNSUPERVISED WITHIN THE HOME. SEPARATE THE
VARIOUS MATERIALS WHICH MAKE UP THE PACKAGING AND TAKE THEM TO THE NEAREST SORTED WASTE
COLLECTION CENTRE.
THE APPLIANCE MUST BE PROVIDED WITH AN EARTH CONNECTION IN ACCORDANCE WITH THE ELECTRICAL
SAFETY REGULATIONS IN FORCE.
THE MANUFACTURER DECLINES ALL RESPONSIBILITY FOR DAMAGE TO PERSONS OR PROPERTY RESULTING
FROM THE FAILURE TO EARTH THE APPLIANCE OR FROM A DEFECTIVE EARTH CONNECTION.
IF THE APPLIANCE IS NOT CONNECTED TO THE ELECTRICAL POWER SUPPLY BY MEANS OF A PLUG, IT IS
NECESSARY TO INSTALL AN ISOLATION SWITCH WITH A CONTACT OPENING GAP OF AT LEAST 3 MM.
THE PLUG ON THE POWER CORD AND THE CORRESPONDING SOCKET OUTLET MUST BE OF THE SAME TYPE,
AND MUST CONFORM TO THE REGULATIONS IN FORCE. CHECK THAT THE VOLTAGE AND FREQUENCY OF THE
ELECTRICAL POWER SUPPLY MATCH THE RATINGS ON THE NAME PLATE. AVOID USING ADAPTORS OR SHUNT
CONNECTIONS.
NEVER UNPLUG THE APPLIANCE BY PULLING THE POWER CORD.
•AFTER INSTALLATION, THE PLUG MUST REMAIN ACCESSIBLE.
•IN THE EVENT OF DAMAGE TO THE POWER CORD, HAVE IT REPLACED BY A QUALIFIED TECHNICIAN.
•AFTER CHANGING THE POWER CORD, MAKE SURE THAT THE BRACKET WHICH SECURES THE CORD IS
FIXED SECURELY IN PLACE.
IF THE APPLIANCE IS INSTALLED ON A CARPETED OR COVERED FLOOR, ENSURE THAT THE OPENINGS ON ITS
UNDERSIDE ARE NOT OBSTRUCTED.
ALWAYS SWITCH OFF THE DISHWASHER AFTER EACH USE TO AVOID WASTING ELECTRICITY.
OBSOLETE APPLIANCES MUST BE RENDERED UNUSABLE. CUT OFF THE MAINS POWER CORD AFTER
UNPLUGGING IT FROM THE WALL OUTLET, AND MAKE SAFE ANY COMPONENTS WHICH MIGHT BE DANGEROUS
FOR CHILDREN (LOCKS, DOORS, ETC.). THE APPLIANCE MUST THEN BE TAKEN TO A SORTED WASTE
COLLECTION CENTRE.

Safety instructions
25
IN THE EVENT OF A FAULT, DISCONNECT THE DISHWASHER FROM THE ELECTRICAL POWER SUPPLY AND
SHUT OFF THE WATER TAP. THEN CALL IN A QUALIFIED TECHNICIAN.
DO NOT USE APPLIANCES WHICH HAVE BEEN DAMAGED DURING TRANSIT! IF IN DOUBT, CONSULT YOUR
DEALER.
THE APPLIANCE MUST BE INSTALLED AND CONNECTED IN ACCORDANCE WITH THE INSTRUCTIONS PROVIDED
BY THE MANUFACTURER OR BY A QUALIFIED TECHNICIAN.
THE APPLIANCE IS INTENDED FOR USE BY ADULTS. DO NOT ALLOW CHILDREN TO COME NEAR OR PLAY WITH
THE DISHWASHER. KEEP CHILDREN AWAY FROM DETERGENTS AND FROM THE OPEN DISHWASHER DOOR.
THE PACKAGING MATERIALS (PLASTIC BAGS, POLYSTYRENE, METAL BARS, ETC.) MUST NOT BE LEFT WITHIN
THE REACH OF CHILDREN.
KEEP CHILDREN AWAY FROM THE OPEN DISHWASHER. THE APPLIANCE MAY CONTAIN RESIDUES OF
DETERGENT WHICH CAN CAUSE IRREVERSIBLE DAMAGE TO THE EYES, MOUTH, AND THROAT, AS WELL AS
POSSIBLE DEATH BY SUFFOCATION.
DO NOT INTRODUCE SOLVENTS SUCH AS ALCOHOL OR TURPENTINE WHICH MAYCAUSE AN EXPLOSION.
DO NOT LOAD DISHES THAT ARE SOILED WITH ASH, WAX OR PAINTS.
LEANING OR SITTING ON THE DISHWASHER DOOR WHEN OPEN MAY CAUSE THE APPLIANCE TO OVERTURN,
PUTING PEOPLE AT RISK.
DO NOT DRINK THE WATER RESIDUES WHICH MAY BE PRESENT INSIDE THE DISHES OR DISHWASHER AT THE
END OF THE WASHING PROGRAM AND BEFORE THE DRYING CYCLE.
AQUASTOP MODELS
THE AQUASTOP DEVICE PREVENTS FLOODING IN THE EVENT OF A WATER LEAK. WHEN THE AQUASTOP
DEVICE IS TRIPPED, CALL IN A QUALIFIED TECHNICIAN TO IDENTIFY AND REPAIR THE FAULT.
IN MODELS EQUIPPED WITH THE AQUSTOP DEVICE, THERE IS A SOLENOID VALVE INSIDE THE WATER INTAKE
HOSE. DO NOT CUT THE HOSE AND DO NOT ALLOW THE SOLENOID VALVE TO DROP INTO WATER. IN THE
EVENT OF DAMAGE TO THE WATER INTAKE HOSE, DISCONNECT THE APPLIANCE FROM THE ELECTRICAL
POWER SUPPLYAND FROM THE WATER SUPPLY.
IMMEDIATELY AFTER INSTALLING THE DISHWASHER, PERFORM A QUICK TEST OF THE APPLIANCE FOLLOWING
THE INSTRUCTIONS BELOW. IF THE DISHWASHER FAILS TO OPERATE CORRECTLY, DISCONNECT IT FROM THE
ELECTRICAL POWER SUPPLY AND CALL THE NEAREST TECHNICAL SERVICE CENTRE.
DO NOT ATTEMPT TO REPAIR THE APPLIANCE.
THE DISHWASHER MEETS ALL THE REQUIREMENTS SET OUT BY THE REGULATIONS IN FORCE CONCERNING
SAFETY AND ELECTRICAL EQUIPMENT. ANY TECHNICAL CHECKS SHOULD BE CONDUCTED EXCLUSIVELY BY A
TRAINED AND AUTHORISED TECHNICIAN: REPAIRS CARRIED OUT BY UNAUTHORISED PERSONS WILL
INVALIDATE THE WARRANTY, AS WELL AS POSING A POTENTIAL HAZARD TO THE USER.
The manufacturer declines all responsibility for damage to persons or property resulting from failure to
observe the above precautions, from tampering with even a single component of the appliance, or from the use
of non original spare parts.

Installation instructions
26
2. Installation and hook-up
Remove the polystyrene basket retainers.
Position the appliance in the desired place of installation. The back or sides of the dishwasher may
be placed up against walls or other furniture units.
If the dishwasher is installed near a heat source, fit the special insulating panel to prevent
overheating and malfunction of the appliance.
To ensure stability, install integrated or built-under dishwashers only under continuous worktops,
and screw them to the adjacent units.
To facilitate the installation procedure, the intake and drain hoses can be positioned in any
direction; make sure that the hoses are not kinked, crushed or pulled too tightly.
Level the appliance on the floor using its adjustable feet. This operation is essential for ensuring
correct operation of the dishwasher.
Some models are equipped with only one adjustable foot at the rear, which can be adjusted by
turning the screw on the lower front part of the appliance.
2.1 Water supply connection
Preventing the risk of clogging or damage: if the water pipe is new or has not been used for a
long time, before connecting to the water supply check that the water is clear and free of impurities,
to prevent damage to the appliance.
The dishwasher must always be connected to the water system with new hoses; old or used
hoses must never be reused.
CONNECTING TO THE WATER SUPPLY
Connect the intake hose to a cold water supply with ¾” gas thread, inserting the filter Asupplied
with the dishwasher.
Take care to screw the hose firmly into place with your hands and then complete by
tightening about ¼ of a turn with pliers. In dishwashers equipped with the ACQUASTOP
device, the filters is already fitted inside the threaded ring.
The dishwasher can also be connected to a hot water supply not exceeding 60°C. Supplying the
appliance with hot water cuts down the washing time by approximately 20 minutes, but slightly
reduces its effectiveness. Make the connection to the domestic hot water supply using the same
procedure described for connecting to the cold water supply.

Installation instructions
27
DRAIN CONNECTION
Insert the dishwasher’s drain hose into a drain pipe
having a diameter of at least 4 cm, or alternatively,
place it inside the kitchen sink using the plastic support
provided, taking care not to crush or excessively bend
the hose. It is important to prevent the hose from
coming loose and falling. For this purpose, the plastic
support is equipped with a hole for tying it to the wall or
water tap.
The free end should be positioned at a height of
between 30 and 100 cm,and should never be
submerged in water.
If a horizontal drain extension hose is used (for a
maximum of 3 m) the drain hose can be placed at a
maximum height of 85 cm from the ground.
2.2 Electrical connection
Plug the power cord into a suitable electrical outlet, according to the instructions given in chapter
"1. Safety and operating instructions".

User instructions
28
3. Description of the controls
3.1 Upper panel
All the dishwasher controls are grouped on the upper panel.
1ON/OFF BUTTON
2PROGRAM SELECTION BUTTON
3DELAYED START BUTTON
4ECONOMY PROGRAM SELECTION BUTTON
5ECO DRYING CYCLE BUTTON (on some models only)
6INFORMATION DISPLAY
3.2 Information display
The dishwasher is equipped with a practical DISPLAY which provides information on the programmed
dishwasher functions.
CURRENT PROGRAM INFORMATION
(remaining time indication and warnings for the most common problems)
DELAYED START INDICATOR LIGHT
RINSE AID WARNING LIGHT
REGENERATING SALT WARNING LIGHT
ECONOMY PROGRAM SELECTION LIGHT
ECO DRYING CYCLE LIGHT (on some models only)
DISABLING THE ACOUSTIC DEVICE AND ADJUSTING THE FILLING SYSTEM
The dishwasher’s electronic control system allows you to:
•Disable the acoustic device which confirms all dishwasher programming and operating steps;
•Adapt the dishwasher’s water filling system to the mains water pressure.

SWITCHING OFF
The end of the washing program is signalled by a short intermittent beep and the
appearance of “P0” on the DISPLAY.
ANNULLING THE PROGRAM IN PROGRESS
To annul the program being carried out, after opening the door select program "P0".
When the door is closed the dishwasher will skip to the end of the program.
MODIFYING THE PROGRAM
To modify the current program, after opening the door select the new program.
When the door is closed the dishwasher will start the new program automatically.
DELAYING THE PROGRAM
The start of the washing program can be delayed from a minimum of 1 hour to a
maximum of 9 hours; this allows you to operate the dishwasher at the time of day of
your choice.
When the DELAYED START button (3) is pressed, the DISPLAY (6) will show first the
duration of the program set and then the number of hours (9,8, …1) of delay with which
it is to be started.
The symbol will remain until the start of the washing cycle, while the number of hours
will disappear automatically if the keypad is not used for 5 seconds or if any other button
except the DELAYED START button (3) is pressed.
When the door is closed the dishwasher will perform a pre-wash, after which the
“program delay” set previously will start. To check the time left before the program
starts, simply press the corresponding button once.
If it is necessary to open dishwasher door during the washing cycle, there
will be a 1-minute delay before the program can be resumed.
After correctly closing the door, the washing program will start again from
where it was interrupted. This operation may negatively affective the
progress of the washing cycle.
TABLE FOR CERTIFICATION BODIES
Reference standard EN 50242
Reference program (*) ECO BIO program (5)
Load 10 place-settings
Type of detergent B
Amount of detergent 25 g
Rinse aid setting Depending on the model 3/4 or 4/6
EN 50242 STANDARD LOADS
LOWER BASKET UPPER BASKET
The upper basket must be set in the low position.

TABLE OF PROGRAMS
SETTING THE WASHING PROGRAM AND SWITCHING ON
To select the most suitable program for the dishes to be washed refer to the table below, which indicates the most appropriate program
according to dish type and degree of soiling.
After choosing the most sui table washing program using the table provided:
•press the ON/OFF key (1) and wai t for the INFORMATION D ISPLAY (6) to come on;
•press the PROGRAM SELECTION button (2) several times, until the INFORMATION D IS PLAY (6) shows the number corresponding to
the program of choice; close the door, the machine will automatically begin the washing program after the sounding of the acoustic
device.
"P0" on the DISPLAY means that no washing program has been selected. This message remains until the PROGRAM SELECTION button (2)
is pressed; at this point the number of the last program used will appear. Each time the button is pressed again, the program numbers wi ll
move on from that point forward.
All programming operations are accompani ed by a short confirmatory beep; if you do not hear anythi ng when you press a button, the function
concerned is not available in the program selected.
AMOUNT OF
DETERGENT PR OGRAM S EQU ENC E
CYCLE N. EC O
BUTTON
EC O
DRYING
(OPTIONAL)
TYPE AND DEGREE
OF DI RT O N DI S H ES
GRAM S PREWASH WASH COLD RINSE HOT RINSE DRYING
SOAK 1_ _ PANS AND DISHES PENDING
COMPLETION OF THE LO AD _COLD _ _ _ _
DELICATE 2_DISHES WITH LIGHT DIRT 20 _45°C 1 1 YES
SHORT 2SLIGHTLY SOILED DELICATE ITE MS 20 _45°C 1 1 YES
RAPID 3_ _ DISHES WITH LIGHT DIRT 20 _45°C 2_ _
NORMAL 4_NORMALLY SOILED P ANS AND DISHES 25 COLD 65°C 1 1 YES
DAILY 4NORMALLY SOILED DISHES 25 _65°C 1 1 YES
BIO 5_NORMALLY SOILED PANS AND DISHES,
INCLUDING DRIED-ON RESIDUE 25 COLD 55°C 1 1 YES
ECO BIO
(*) EN 50242 5SLIGHTLY SOILED DISHES WITH DRIED-ON RESIDUE 25 _55°C 1 1 YES
INTENSIVE 6_VERY DIRTY P ANS AND DISHES,
EVEN WITH DRIED-ON DIRT 25 COLD 66°C 2 1 YES
INTENSIVE
(WIT HOUT
PRE-WASH)
6NORMALLY S OILED PANS AND DISHES
WITH DRIED-ON STARCH DEPOSITS 25 _68°C 2 1 YES
SUPER 7_HEAVILY SOILED PANS AND DISHES WITH
DRIED-ON STARCH DEPOSITS 25 HOT 70°C 2 1 YES
RINSE
(**)
8_ _ DISHES THAT NEED
“FRESHENING UP” _ __1 1 YES
In programs containing the symbol, the ECO drying cycle option is available. This extends the program time (by about 25’) but cuts
power consumption due to the lower rinsing temperature.
Only run the soak program with half loads.
ECO DRY (5) function is only present on some
models.
(*) Reference program as EN 50242 standard
(program recommended when using “new
generation” detergents containing enzymes).
(**) Before starting program 8check that the door of
the detergent dispenser is open.
(-) Not present.
If the dishwasher door is left open or is
not properly closed, the INFORMATION
DISPLAY (6) will signal that the washing
program cannot be started.
For any other information about use and
maintenance of the dishwasher, read the
enclosed manual carefully.
19 592 0007 00

User instructions
29
Programming procedure:
•Press the PROGRAM SELECTION (2) and DELAYED START (3) buttons simultaneously for 3
seconds until the DISPLAY (6) shows the symbol of the parameter to be modified (see table);
•Press the DELAYED START button (3) to modify the parameter;
•Press the PROGRAM SELECTION button (2) to change the parameter for modification and/or
to exit from the procedure.
DISPLAY SYMBOL PARAMETER ADJUSTABLE VALUE EFFECT
0OFF
ACOUSTIC DEVICE
1ON
0NORMAL
WATER PRESSURE
1LOW
3.3 Washing programs
The dishwasher is equipped with a control panel and an INFORMATION DISPLAY, described in
chapter "3. Description of the controls", from which it is possible to carry out all the power switch-
on, switch-off and programming operations.
See enclosed program table for washing cycles and the procedure for starting the dishwasher and
switching it on/off.
Before starting a washing program make sure that:
•The water supply tap is open.
•The correct amount of detergent has been added to the dispenser.
•The baskets have been correctly loaded.
•The spray arms are able to rotate freely and without obstruction.
•The dishwasher door is securely closed.
TO SAVE ON ENERGY! … AND PROTECT THE ENVIRONMENT
•Always try to run the dishwasher fully loaded.
•Do not wash the dishes in running water.
•Use the washing program that is most appropriate for each type of load.
•Do not carry out any preliminary rinsing.
•If available, connect the dishwasher to a hot water supply up to 60°C.
•When possible, disable the drying cycle and leave the door open at the end of the washing
cycle: the residual air and heat will dry the dishes perfectly.
TO CUT DOWN ON DETERGENT CONSUMPTION! … AND PROTECT THE ENVIRONMENT
The phosphates contained in dishwasher detergents are harmful to the environment. To avoid
using excessive amounts of detergent and to save on electricity, observe the following:
•separate the more delicate items from dishes that are more resistant to aggressive detergents
and high temperatures;
•do not pour the detergent directly on the dishes.
REMOVING THE DISHES
At the end of the washing program, wait at least 20 minutes before removing the dishes, to allow
them to cool down. To prevent any water droplets on the upper basket from falling on the dishes in
the lower basket, it is advisable to unload the lower basket first, and then the upper basket.