10MALFUNCTIONS SHOWN ON THE DISPLAY (FOR THE USER) ................................... 21
SMEG Thanks you for choosing one of its products.
Read all the instructions in this manual carefully to become familiar with the right conditions for the
proper use of your dishwasher.
TECHNICAL INSTRUCTIONS
INSTRUCTIONS FOR THE USER
1 PRECAUTIONS FOR SAFETY AND USE
THE DISHWASHER IS INTENDED FOR PROFESSIONAL USE ONLY AND MUST ONLY BE USED BY
AUTHORISED STAFF. IT IS DESIGNED TO WASH TABLEWARE (PLATES, CUPS, BOWLS, OVEN DISHES
AND CUTLERY) AND SIMILAR ITEMS IN THE RESTAURANT AND INSTITUTIONAL CATERING SECTOR,
AND COMPLIES WITH THE INTERNATIONAL STANDARDS ON ELECTRICAL AND MECHANICAL SAFETY
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THE SYMBOL OF THE RUBBISH BIN WITH A BAR ACROSS IT ON THE PRODUCT OR IN THE
TECHNICAL DOCUMENTATION INDICATES THAT THIS PRODUCT MUST NOT BE TREATED
AS ORDINARY DOMESTIC WASTE BUT MUST BE CONSIGNED TO THE SPECIAL
COLLECTION POINT FOR THE RECYCLING OF ELECTRICAL AND ELECTRONIC EQUIPMENT.
NEVER PLACE SOLVENTS SUCH AS ALCOHOL OR TURPENTINE, WHICH MIGHT CAUSE AN
EXPLOSION, INSIDE THE APPLIANCE. NEVER LOAD DISHES DIRTY WITH ASH, WAX OR
PAINTS.
NEVER USE THE DISHWASHER OR ANY PART OF IT AS A LADDER, SUPPORT OR STAND
FOR PEOPLE, ANIMALS OR ANY OBJECT.
LEANING OR SITTING ON THE OPEN DOOR OF THE DISHWASHER MIGHT CAUSE IT TO TIP
OVER, PUTTING PEOPLE IN DANGER.
NEVER LEAVE THE DISHWASHER DOOR OPEN SINCE PEOPLE MIGHT TRIP OVER IT.
DO NOT DRINK ANY WATER LEFT IN THE DISHES OR DISHWASHER AT THE END OF THE
WASHING PROGRAM.
THE APPLIANCE IS NOT SUITABLE FOR USE BY JUVENILES OR PERSONS WITH REDUCED
PHYSICAL, SENSORIAL OR MENTAL CAPACITIES, OR THOSE WITHOUT THE NECESSARY
KNOWLEDGE AND EXPERIENCE. SUCH PERSONS MAY ONLY USE THE APPLIANCE UNDER
THE SUPERVISION OF A PERSON RESPONSIBLE FOR THEIR SAFETY.
(CEI-EN-IEC 60335-2-58/61770) AND ELECTROMAGNETIC COMPATIBILITY (CEI-IEC-EN 55014-1/-2, 61000-3;4, 50366).
THE MANUFACTURER DECLINES ALL RESPONSIBILITY FOR INJURY OR DAMAGE CAUSED BY FAILURE TO COMPLY WITH THE INSTRUCTIONS IN THE MANUAL, BY INCORRECT USE, BY TAMPERING WITH
EVEN JUST ONE PART OF THE APPLIANCE AND BY THE USE OF NON-ORIGINAL SPARE PARTS .
THIS APPLIANCE IS MARKED AS REQUIRED BY EU DIRECTIVE 2002/96/EC, WASTE ELECTRICAL AND
ELECTRONIC EQUIPMENT (WEE).
BY MAKING SURE THAT THIS PRODUCT IS DISPOSED OF CORRECTLY THE USER HELPS TO PREVENT
POTENTIAL DETRIMENTAL EFFECTS ON HEALTH AND THE ENVIRONMENT.
WHEN DECOMMISSIONING THE APPLIANCE COMPLY WITH THE LOCAL WASTE DISPOSAL
REGULATIONS.
FOR FURTHER INFORMATION ON THE TREATMENT, RECOVERY AND RECYCLING OF THIS PRODUCT,
CONTACT THE COMPETENT LOCAL OFFICE, THE DOMESTIC WASTE COLLECTION SERVICE, OR THE
SHOP WHERE THE PRODUCT WAS PURCHASED.
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kPa (bar)
200-600 (2 ÷ 6)
200-600 (2 ÷ 6)
Water intake temperature
°C
15°C – 60°C
15°C – 60°C
Intake water hardness (models with softener)
°f
15°f-60°f
15°f-60°f
Rinse cycle water consumption
l
3.2
3.2
Boiler capacity
l 6 6
Tank capacity
l
11
11
Standard cycle duration with intake water at 50°C
s
120/150/180
90/120/180
Noise level
dB(A)
< 70
< 70
Degree of protection
IPX 4 4/5
Net weight
Kg
52
63/60/79
Power supply cable type
◄HAR►
H07RN-F
H07RN-F
Fuse A 4
4
SEE APPLIANCE LABEL
VOLTAGE
FUSE
PROTECTION
TANK
HEATING
MOTOR
BOILER
(1.5X3)
TOTAL
CONNECTION
POWER
CABLE
400V-50Hz/3/N/PE
16A
1.1kW
0.7kW
4.5kW
5.2kW
5X2.5
230V-50Hz/3/PE
20A
1.1kW
0.7kW
4.5kW
5.2kW
5X2.5
230V-50Hz/1/N/PE
25A
1.1kW
0.7kW
3kW
3.7KW
3X4
230V-50Hz/1/N/PE
16A
1.1kW
0.7kW
1.5kW
2.2kW
3X2.5
VOLTAGE
FUSE
PROTECTION
TANK
HEATING
MOTOR
BOILER
(1.5X3)
TOTAL
CONNECTION
POWER
CABLE
230V-50Hz/1/N/PE
20A
1.1kW
0.7kW
2.8kW
3.4kW
3X2.5
CAVITY DIMENSIONS FOR BUILT-UNDER INSTALLATION
2 TECHNICAL DATA
CW510M CW-CWH 510
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APPLIANCE DIMENSIONS AND CONNECTION POSITIONS
(*N.B. : VALUE “1000” - max 600 if siphon with valve is used)
(**N.B. : VALUE - max 60 - heat exchanger )
APPLIANCE DIMENSIONS AND CONNECTION POSITIONS
(**NB – VALUE “1400” WITH ASTERISK: max 1000 if siphon with valve is used)
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KEY TO LETTERS USED IN DIAGRAM
R
LOWER BACK PANEL
C
FILLER HOSE
Q
EARTH TERMINAL
E
ELECTRICITY SUPPLY CABLE
P
PERISTALTIC HOSES
S
DRAIN HOSE
T
EXTERNAL DISPENSER POWER SUPPLY CABLE ENTRY POINT
Caution: the indoor system and premises in which equipment for institutions is installed
must comply with the relevant regulations.
The manufacturer declines all liability for direct or indirect injury or damage deriving from failure
to comply with these regulations.
Before installation, check that there are no objects or materials in the vicinity which may be
damaged by steam or splashes of washing solution, or that any such items are suitably protected.
Place the dishwasher in the chosen point and remove the protective film.
Level the dishwasher (with the aid of a spirit level) on its adjustable feet to ensure that it is stable;
all other mounting solutions must be approved by the manufacturer.
3 INSTALLATION AND POSITIONING
INSTALLATION and POSITIONING
Bring the dishwasher to the installation site, remove the packaging and check the appliance and
components for damage; any damage found must be reported to the transporter in writing.
The packaging components (plastic bags, expanded polystyrene, nails, etc.) must not be left within reach
of children and pets since they are potentially dangerous.. All packaging materials used are
environment-friendly. They can be kept without constituting any hazard, or may be disposed of at a
specialist waste disposal centre. The plastic components suitable for recycling are marked as follows: PE
polyethylene: external packaging film, bag containing the instructions, protective bags. PP
polypropylene: straps. PS expanded polystyrene: corner guards, top of packaging. Wooden and
cardboard components can be disposed of in accordance with the relevant regulations. When the
product is decommissioned it must not be dumped in the environment; it must be disposed of in
accordance with the relevant regulations. All metal parts are in stainless steel and can be removed. The
plastic parts are marked with the symbol identifying the material used.
POSITIONING:
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Water supply and drain connection
The water pipelines and electricity supply cable lead out of the bottom righthand corner of the appliance. Connect the water intake hose to a connector
with ¾” threaded fitting, fitting the filter A provided (in models with
acquastop, the filter and ring-nut form a single unit).
The connection to the water mains must only be made with new hoses; the
use of old or worn hoses is not permitted.
Caution: make sure that the intake and drain hoses are not bent, constricted or crushed
after installation.
The dishwasher and any additional equipment must be connected to the electrical
system by authorised, skilled staff, in accordance with the relevant regulations; also
comply with the technical instructions for the connection.
The total rated power is stated on the appliance’s technical data plate.
The electrical protection devices fitted for the dishwasher must serve this appliance
only.
The user must have a master switch and a differential safety breaker, with rating
suitable for the appliance’s characteristics, installed on the electricity supply line in
accordance with the relevant regulations.
These switches must be installed close to the dishwasher, be easily accessible after
installation, and provide complete disconnection from the electrical mains in
overvoltage class III conditions.
4 INSTRUCTIONS FOR TECHNICAL STAFF
4.1Plumbing hook-up
The dynamic water supply pressure must be between 2 and 6 bar; if it is higher a pressure reducer
must be installed. If the pressure is less than 2.5 bar it might be necessary to fit a special pump on
the appliance to ensure optimal performance. Contact the After-Sales Service.
It is essential to fit a main stop tap on the water intake deliver pipeline; the tap must be accessible
after installation of the appliance, so do not install it behind the dishwasher. The stated cycle
duration applies to appliances supplied with hot water >50°C<60°C If the dishwasher is supplied with
cold water, the cycle duration might increase depending on the intake water temperature. The
dishwasher is fitted with a drain pump and can operate with drain connections on the floor or wall.
Refer to the connection diagram for the maximum permitted height of wall drains – (see TECHNICAL
DATA)
When installing the drain hose to a siphon with valve, the maximum height of the drain outlet is
reduced to 600 mm.
4.2 Electrical connection
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Before inserting the hoses into the containers, fit the weights (needed
to ensure that they always draw in liquid from the bottoms of the
containers) and the filters onto their ends as shown.
If the detergent dispenser is not factory-fitted, it can be retrofitted
after ordering the relative kit.
Warning !!!
The dishwasher is always powered up unless the master switch is turned off.
Connect the appliance to the user’s earth system. The terminal for the connection is
in the bottom right-hand corner of the appliance.
The earth wire (PE) is yellow-green in colour, the neutral wire (N) is blue and the live
wires (L1, L2, L3) are black, grey and brown.
In the event of single-phase connection (230V-1N~), the connection to the electrical
mains must be made using a cable with plug compliant with the relevant regulations.
THE POWER SUPPLY CABLE MUST BE REPLACED BY THE MANUFACTURER OR AN
AUTHORISED SERVICE CENTRE TO PREVENT ALL RISKS.
First start-up
The electrical protection system must undergo a functional test before the appliance is put into
operation.
The appliance must be installed and/or inspected by qualified staff, who will start it up for the first
time and provide the relevant operating instructions.
Preparing for use (important)
The rinse aid dispenser is fitted on all models, the detergent dispenser only on some.
If both dispensers are present put the external detergent and rinse aid containers in place and
insert the respective intake hoses on the rear of the appliance into them.
Red hose: detergent
blue hose: rinse aid
NOTE: It takes about 10-15 wash cycles before they arrive in detergent and rinse tank and boiler
As an alternative an external dispenser can be fitted, making the electrical connection by means of
an H05 RN-F 2x0.5 mm electrical cable, which can be laid along the route shown in the TECHNICAL
DATA diagram and connected as shown in the wiring diagram supplied with the dishwasher.
The dispenser must operate on 230V/50 Hz with maximum power absorption of 15W.
Connect to the detergent dispenser outside the dishwasher using the red hose mentioned above.
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The quantity of lime in the water (which indicates its hardness) causes whitish
marks on dry dishes and dishes also tend to lose their shine over time.
The dishwasher is equipped with an automatic water softener which removes the
substances that cause hardness from the water with the aid of regenerating salt.
The first time the dishwasher is used, a litre of water must be poured into the tank
with the salt.
Whenever the tank is filled, always take care to ensure that the cap is firmly
closed.
The mixture of water and detergent must not get into the salt tank, as this would
impair operation of the regeneration system.
In this case warranty cover will be forfeited.
IMPORTANT:
Whenever the type of detergent or rinse aid is changed, it is ABSOLUTELY ESSENTIAL to flush out
the peristaltic pumps by placing the external intake pipes in water for a few cycles.
Always use only products specifically recommended for use in a dishwasher.
Failure to comply with this recommendation leads to forfeiture of the warranty entitlement on
the appliance’s water system.
The internal pipes of the detergent and rinse aid pumps should be replaced by the After-Sales
Service every 12 months or 15,000 wash cycles and operation of the diaphragm rinse aid pump
should be checked.
4.3 Using the water softener (on models with this feature only)
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Set-up
During first start-up, the functions/parameters listed below must be set or adjusted:
5 SET-UP
A series of operations can be carried out when the dishwasher is first installed to customise it to the
user's requirements. To modify the parameters, proceed as follows.
5.1 Display Contents
The two green digits provide the following information:
Appliance off but powered up: all decimal points on both digits
Appliance on: Boiler temperature
Washing phase: Tank temperature
Pause phase: Boiler temperature
Rinse phase: Boiler temperature
Programming phase: See parameter programming section
Error message: See error messages section
5.2 Note on display of temperatures
Both the Boiler and the Tank temperatures provide instantaneous readings of the current value picked
up by the probe, but due to the thermal inertia of the probe or its seat, wait about 1' after the heating
element power absorption reading to obtain the real temperature.
5.3 Parameter programming procedure
To access the programming menu, proceed as follows:
1) switch the appliance off with the (On Off) key
2) Within 6 seconds, press key P1 (SHORT wash) 7 times. Wait for the 6 seconds to pass; at the end
P0 appears on the display
3) Use key P1 to select the parameter to be modified
4) Press the PUMP-OUT KEY to display the parameter for modification
5) Modify the parameter by pressing key P1
6) Confirm the change by pressing the PUMP-OUT key
7) Select the other parameters for modification in the same way and proceed as described above
8) After setting all the appliance parameters, press the On Off key to quit.
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F/M
ID
Description
510M
510
Notes
M
P0
Appliance Type
02
03
Construction version
Do not modify
F
P1
Appliance Model
02
03
Do not modify
M
P2
Boiler temperature
82C
80C
Step 1 degree
WARNING: The effective temperature
in the boiler will be 5° C above the set
P2 (example if set to 80°, in this
temperature it is the detachment of
the resistor, to see the true
temperature wait 1’ = approximately
85° C )
M
P3
Tank temperature
58C
58C
Step 1 degree
M
P4
Thermostop option
01
01
0=off 1=on
M
P5
Soft Start option
01
01
0=off 1=on
M
P6
Boiler temperature
offset
00
00
Real=measured + Offset
M
P7
Tank temperature
offset
04
04
Real=measured + Offset
M
P8
Real temperature
display
01
01
0= filtered, 1= real
F
P9
Tank probe type
01
01
Do not modify
F/M
ID
Description
Default
Min.
Max
Notes
F
A0 F
A1
Boiler max. heating time
20 min
5
60
Step = 1 min
F
A2
Tank max. heating time
60 min
5
60
Not active with PL ON
F
A3
Maximum water intake time
5 min
1
20
Step = 1 min
F
A4
Maximum emptying wait time
1 min
1 2 Step = 1 min
5.4 Modifiable parameters
This table lists the model choice or cycle and temperature option parameters.
Note for P6 and P7: negative numbers are indicated by illumination of both decimal points (e.g.: -12 “1.2.”
5.5 Alarm trigger time thresholds
This table lists all the safety device trigger time thresholds.
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Caution: ensure that the appliance is not powered up - ELECTRIC SHOCK HAZARD
With values over 60°dF an external water treatment device must be used and the
regeneration frequency must be set at H00
RD
Detergent dispensing regulator screw (OPTIONAL)
RB
Rinse aid dispensing regulator screw
5.6 Adjusting detergent and rinse aid dispensing
Important: If the pump not displace rinse aid, check valve located inside “A“ unscrew anticlockwise.
RD/RB: Dispensing regulator screw. (on some models only )
Adjustments are made using the adjuster screw AS SHOWN. The quantity dispensed is reduced by
turning anticlockwise and increased by turning clockwise.
5.7 Adjusting the regeneration frequency (models with softener only)
5.8 Memorisation procedure
To access the programming menu, proceed as follows:
1) switch the appliance off by pressing the On Off key
2) Hold down the and keys simultaneously for 6 seconds; H0 appears on the display
3) Use the key to modify the parameter; H0,H1,H2,H3,H4,H5 and H0 will appear on the display
in cyclic sequence
4) Press the On Off key to confirm the change and quit programming mode.
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Hardness (°dH German
degrees)
Hardness (°dF French
degrees)
Setting level
Resin duration in
wash cycles
Regeneration off
Regeneration off
H00
Function off
8.5
15
H01
94 wash cycles
11
20
H02
83 wash cycles
17
30
H03
53 wash cycles
22,5
40
H04 default
33 wash cycles
28
50
H05
27 wash cycles
33.5
60
H06
20 wash cycles
E.1
Boiler temperature probe malfunction
Boiler temperature probe disconnected or not working
E.2
Tank temperature probe malfunction
Tank temperature probe disconnected or not working
E.3
Water intake malfunction
Water intake not completed in the maximum time allowed
Check dynamic pressure in intake system, clean water intake filter.
If the problem persists:
- tank pressure switch has failed (continuous empty reading)
- leak from pipe connected to air trap
- drain siphon blocked - the tank is empty due to siphoning when
the drain pump is not running
- air trap dirty / clogged
- faulty solenoid
E.4
Boiler overheating.
Reduce boiler temperature to 80°. Circuit board relay failed, check
circuit board and inspect boiler heating element for damage
E.5
Tank overheating
Reduce boiler temperature to 58°. Circuit board relay failed, check
circuit board and inspect tank heating element for damage
E.6
Water not pumped out of tank
Inspect the filters for dirt and check that the drain hose is not
blocked, bent or crushed. Check that the drain pump is not blocked
by dirt by removing the insert on the sump (from inside the tank)
If the problem persists:
- with tank empty: tank pressure switch has failed (continuous full
reading)
- with tank full: drain pump failure
If the system fails to pump out because the drain pump is fouled (as
a result of incorrect filter positioning), proceed as follows:
Bale out the dishwasher with a basin and disconnect it from the
electrical mains.
Unscrew the screw A, release the tang B and lift it.
Check that the impeller of the drain pump underneath the cover
5.9 Table of parameters
This table shows the relationship between the intake water hardness and the quantity the resins are
able to treat; regeneration is required once the appliance has performed the set number of cycles.
Regeneration cycle duration: 12 minutes.
6 MALFUNCTIONS SHOWN ON THE DISPLAY (FOR
THE TECHNICIAN)
The dishwasher is able to identify a number of malfunctions and show them on the display. If the
problem persists after the dishwasher has been switched off and back on, proceed as described below:
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turns freely, and is free from dirt, limescale residues, or pieces of
glass. Never use tools, screwdrivers, scissors, etc.
E.7
Boiler heating malfunction (does not heat
up)
-circuit board relay failure
- boiler heating element faulty or "furred" with limescale
- boiler temperature probe faulty or incorrectly positioned
E.8
Tank heating malfunction (does not heat
up)
-circuit board relay failure
- tank heating element faulty or "furred" with limescale
- tank temperature probe faulty or incorrectly positioned
E.9
Microprocessor failure
Replace circuit board
On-off button
Total emptying button (tank and boiler)
Regeneration key (only if softener is fitted)
L1 power on LED
L2 pump-out in progress LED
L3 no salt LED (only if softener is installed)
L4 no salt LED (only if softener is installed)
Short cycle key
Medium cycle key
Long cycle key
L5 short cycle program LED
L6 medium cycle program LED
L7 long cycle program LED
7.1 Control panel
7 INSTRUCTIONS FOR THE USER
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Use only detergents and rinse aids for industrial dishwashers.
Do not use detergents intended for hand washing.
We recommend the use of Smeg products, specially developed for this dishwasher.
When topping up the tanks, take care not to swap the products; this might damage the
dishwasher and cause malfunctions.
1. Turn on the
mains water tap
(user)
CHECK
5. Switch on the
master switch
(user): the word
“OFF” appears on
the display.
2. The level of
detergent and
rinse aid in the
containers.
3. That there is
regenerating salt
in the relative
container (if
fitted).
4. That the filters
are in place, the
spray arms
rotate, and there
are no foreign
bodies in the
dishwasher.
Display shows
Actions and what happens
Door closed and master switch on ON:
Press and hold it down for 2-3 seconds; the
ON/OFF light and the two digits on the display light
up.
The dishwasher fills the tank automatically. At the
end of this phase, when the tank is full, P appears
on the display and program lights L5, L6 and L7are
lit.
WARNING! If the appliance is connected to cold water, wait at least 15' before moving on to the
next phase to give the tank time to reach the correct washing temperature.
7.2 Before washing
Do not mix different detergents; this would damage the dispenser device. Failure to comply with this
recommendation leads to forfeiture of the warranty entitlementon the appliance’s water system.
Industrial dishwasher detergents may cause serious irritation. Comply carefully with the instructions
provided by the detergent producer on the pack.
7.3 First use each day (tank and boiler empty)
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Load the dishes and close the door.
Select the programme required by pressing one of
the three buttons; the LED of the selected program
flashes and the other two go out. The cycle starts
once the key has been held down for about 2".
While washing is in progress the display shows the
water temperature in the tank. During rinsing, it
shows the boiler temperature.
At the end of the program the program LED comes
on and “End" flashes on the display.
Unload the dishes
When the door is closed again, the last program is repeated.
PROGRAM
TYPE OF DIRT
DURATION
(510M)
DURATION
(510)
Short
Glasses and cups
Short 2’
Short 1.5’
Medium
Glasses, cups and plates with light dirt
Medium 2.5'
Medium 2'
Long
Very dirty dishes and cutlery
Long 3’
Long 3’
If the master switch is not turned off, the
appliance sets on the last cycle performed. To
change it, press the key of the program
required; the light comes on.
7.4 Choosing the program
(*) The cycle duration stated above is guaranteed if the appliance is connected to hot water > 50°C
<60°C
If the dishwasher is supplied with cold water, the cycle duration might increase depending on the
intake water temperature and the "thermostop" setting.
7.5 Changing the program (not possible once the program has started)
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To confirm hold down for about 2”. The LED
starts to flash and the washing cycle starts.
Plates
The basket is able to take 12
soup plates or 18 dinner plates.
Remove solid residues (bones,
fruit peel, stones, etc.) and first
soak plates with dried residues
of cheese, egg, etc. in water.
Press the pump-out button for about 2”, the
LED flashes and the pump-out and automatic tank
cleaning phase starts.
When pump-out is complete the appliance
switches to “OFF” status. (only 2 digits lit on the
display)
Never switch the dishwasher off with water in the tank; always pump out first.
Models with water softener: if cycles are added to total pump-out.
Resin regeneration + flushing is performed. The pump-out phase lasts about 15' after
which the appliance switches off automatically.
Glasses
Load glasses upside down. (see photo)
Cutlery
Use the basket(s) provided. Load cutlery loose, preferably with the handle at the bottom, taking care not
to injure yourself with fork prongs or knife blades.
TOTAL PUMP-OUT AT THE END OF THE DAY
The dishwasher is able to perform a pump-out and self-cleaning cycle with automatic switch-off.
After a total pump-out the filters should be cleaned as described in the relevant point.
Resin regeneration (for models with water softener)
Once the number of washing cycles set during installation has been completed, as indicating that the
resins will be spent and regeneration is required, the LED above the key flashes even during the
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Press the key; the LED flashes and the
regeneration phase starts. It lasts about 10
minutes, during which time the LED keeps
flashing.
When the regeneration phase is complete, the
appliance switches to “OFF” status (only 2 digits
lit on the display).
To reuse the appliance, repeat procedure 7.3
Caution:use only salt of the specific type, do not use cooking salt.
Salt must be added when the LED underneath the symbol shown in the box on the left
lights up.
Top up with salt when there is no water in the tank to prevent washing water from getting
into the water softener device.
The salt tank has a capacity of about 1 kg of coarse-grained salt .
The salt tank is in the bottom of the appliance's tank. After removing the basket, undo the
cap and pour the salt in using the funnel supplied. Remove any salt residues around the
opening before screwing the cap back on.
cycle. Therefore, during the working day resin regeneration is RECOMMENDED following the procedure
described below.
Filling up with regenerating salt
(for models with water softener)
8 MAINTENANCE AND CLEANING
Although no particular scheduled maintenance is required, users are advised to have the dishwasher
checked by a specialist technician twice a year.
N.B. the manufacturer accepts no liability for wilful damage or damage deriving from carelessness,
neglect, failure to comply with instructions, regulations and standards or incorrect connections, which
lead to forfeiture of warranty cover.
If possible, leave the door ajar when not in use;
Clean surfaces thoroughly and often with a damp cloth; use neutral, non-abrasive detergents which do
not use chlorine compounds, which corrode and damage stainless steel.
Do not use the products mentioned above even when cleaning the floor underneath or in the vicinity of
the dishwasher,
to ensure that fumes or drops cannot damage the steel surfaces.
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Remove the filters (simply lift them out as shown here), taking care
that no large residues fall into the sump underneath. Clean them to
remove residues and rinse with plenty of water, then put them
correctly back in place; do not use sharp or pointed tools.
Clean away any limescale deposits to prevent excessive build-ups;
TOP SPRAY ARMS
stainless steel
BOTTOM SPRAY ARMS
stainless steel
The dishwasher has IPX4 protection but pointing water jets straight at it for cleaning is
forbidden
8.1 Daily cleaning of filters
Cleaning the filter at the end of each working day
8.2 Routine inspection of the spray arms (once a week)
Remove the top and bottom spray arms by unscrewing the central screw and unscrew the caps from the
ends of the rinsing arms as shown. Do not unscrew the nozzles. Clean the holes and nozzles under a jet
of clean running water; do not use tools which might cause damage. Reassemble the spray arms with
care.
Clean the outside of the appliance with a damp cloth and neutral soap, rinsing and drying thoroughly.
8.3 Lengthy periods out of use
If the dishwasher is to be out of use for a fairly long period of time, the detergent and rinse aid
dispenser devices must be emptied to prevent crystallisation and damage to the pumps: remove the
intake hoses from the detergent and rinse aid containers and place them in a container of clean water,
then perform a few wash cycles followed by a complete pump-out.
Finally, turn off the master switch, close the water intake valve and leave the door ajar until the interior
is completely dry. The detergent and rinse aid intake hoses must be put back into the containers when
the dishwasher is returned to service, taking care not to swap them over (red hose = detergent, blue
hose = rinse aid).
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PROBLEM
POSSIBLE CAUSE
POSSIBLE REMEDY
LIGHT L1 DOES NOT COME ON
Mains power failure
Check electrical mains connection.
WASHING PROGRAM DOES NOT
START
The dishwasher has not yet finished
filling.
Wait for the 3 program lights to come on.
POOR WASHING RESULTS
Spray arm washing holes blocked by
dirt or limescale
Remove spray arms and clean them
(9.2 Periodic checks)
Filter fouled
See “Cleaning the filter during the day”
Too little or unsuitable detergent or
rinse aid
Check type and quantity of detergent.
No or not enough detergent or rinse aid
being supplied: detergent or rinse aid
not being taken from the relative
container.
Check that the intake filter is not fouled. If
you are unable to solve the problem, call
the after-sales service.
Plates/glasses badly arranged
Arrange plates/glasses correctly.
Low washing temperature
Check temperature shown on the display,
call the after-sales service if less than 50°C
Inappropriate cycle set
Increase wash cycle duration, especially if
dirt has dried on.
INADEQUATE RINSING
Dynamic pressure of mains water
insufficient
Spray arm nozzles fouled
Limescale in boiler
Check mains water pressure.
Check that water intake filter is not fouled.
Clean rinsing nozzles.
If you are unable to solve the problem, call
the after-sales service.
STAINS ON GLASSES AND CUTLERY
Rinse aid unsuitable or not being
delivered correctly.
Water hardness above 12°dF or large
amounts of dissolved salts
Check container of rinse aid and whether it
is suitable for the type of mains water. If
the problem persists, contact the aftersales service.
WATER IN TANK AFTER PUMPOUT
Drain hose incorrectly positioned or
partially obstructed.
Check that the dishwasher drain hose and
rain are unobstructed and the drain is not
too high up; see connection diagram.
DISHES NOT PROPERLY DRIED
Low rinsing temperature due to
thermostop OFF and/or water intake
temperature below 50°
Check that the water supplying the
appliance is at least at 50°
If the problem persists call the after-sales
service
9 TROUBLESHOOTING
How to deal with any problems without calling the after-sales service
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E.1
Boiler temperature probe malfunction
Switch the dishwasher off and back on and perform another
cycle; if the problem persists call the after-sales service.
E.2
Tank temperature probe malfunction
Switch the dishwasher off and back on and perform another
cycle; if the problem persists call the after-sales service.
E.3
Water intake malfunction
Water intake not completed in the maximum time allowed
Check dynamic pressure in intake system: the water intake
filter may need cleaning, the tap may be turned off or the
rinsing nozzles may be fouled.
E.4
Boiler overheating.
Switch the dishwasher off and back on and perform another
cycle; if the problem persists call the after-sales service.
E.5
Tank overheating
Switch the dishwasher off and back on and perform another
cycle; if the problem persists call the after-sales service.
E.6
Water not pumped out of tank
Inspect the filters for dirt and check that the drain hose is not
blocked, bent or crushed.
Check that the drain pump is not blocked by dirt by removing
the insert on the sump (from inside the tank)
If the problem persists:
- with tank empty: tank pressure switch has failed (continuous
full reading)
- with tank full: drain pump failure
If the system fails to pump out because the drain pump is
fouled (as a result of incorrect filter positioning), proceed as
follows:
Bale out the dishwasher with a basin and disconnect it from
the electrical mains.
Unscrew the screw A, release the tang B and lift it.
Check that the impeller of the drain pump underneath the
cover turns freely, and is free from dirt, limescale residues, or
pieces of glass. Never use tools, screwdrivers, scissors, etc.
E.7
Boiler heating malfunction (does not heat up)
Switch the dishwasher off and back on and perform another
cycle; if the problem persists call the after-sales service.
E.8
Tank heating malfunction (does not heat up)
Switch the dishwasher off and back on and perform another
cycle; if the problem persists call the after-sales service.
E.9
Microprocessor failure
Switch the dishwasher off and back on and perform another
cycle; if the problem persists call the after-sales service.
10 MALFUNCTIONS SHOWN ON THE DISPLAY (FOR
THE USER)
The dishwasher is able to identify a number of malfunctions and show them on the display.
If the problem persists after the dishwasher has been switched off and back on, proceed as described
below:
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- CW-CWH 510
19.390.4175.03
22/10/2013
Manual Ed.
Date
INFORMATION AND AFTER-SALES SERVICE FOR SMEG PRODUCTS
COMMERCIAL DISHWASHERS
Our Sales Department staff will be able to provide you with information about prices and special offers.
Our After-Sales Department will be able to provide you with guidance about keeping your appliance
functioning correctly and put you in touch with your nearest authorised Service Centre.
Our whole product offering can be viewed at:
www.smegfoodservice.com
International customers, please contact your local SMEG distributor.
Smeg S.p.A
Via Leonardo da Vinci, 4 - 42016 Guastalla (Reggio Emilia)
Tel. +39 0522 8211 - Fax + 39 0522 821453
email foodservice@smeg.it
22
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