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PROFESSIONAL DISHWASHER

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Summary of Contents for CWG420

Page 1: ...PROFESSIONAL DISHWASHER ...

Page 2: ...sing temperature setup 17 6 4 Washing temperature setup 18 6 5 Detergent dispensing setup if featured 18 6 6 Rinse aid dispensing setup if featured 18 6 7 Autostart function 19 6 8 Regeneration frequency setup models with softener 19 6 9 tStP minimum rinsing temperature function 19 6 10 Rinse aid pump display and if required reset during maintenance if featured 20 6 11 Detergent pump display and i...

Page 3: ...UNCTIONS 27 10 1 Selecting the crys glassware function available in P1 P2 27 10 2 Selecting the extra rinse function available in P1 P2 P3 P4 27 10 3 Selecting the sanitisation function only available in P3 28 11 MAINTENANCE AND CLEANING 30 11 1 Daily cleaning 30 11 2 Routine inspection of the spray arms 31 11 3 Lengthy periods out of use 31 12 TROUBLESHOOTING 32 13 MALFUNCTIONS SHOWN ON THE DISPL...

Page 4: ...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 These are intended for the qualified staff who are to install commission and test the appliance and carry out any servicing and repairs These provid...

Page 5: ...STIC 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 T...

Page 6: ...er heating element power at 230V 1N 1 branch of heating element kW 1 5 Tank heating element power kW 0 8 Water intake pressure kPa bar 100 600 1 6 Water intake temperature C 15 C 60 C Water hardness on models with softener 60 f f 15 f Rinse cycle water consumption l 2 3 Boiler capacity l 4 Tank capacity l 7 Durée cycle standard avec alimentation d eau à 50 C s 90 150 240 Noise level dB A 60 Degree...

Page 7: ... CW 420 430 7 CAVITY DIMENSIONS FOR BUILT UNDER INSTALLATION APPLIANCE DIMENSIONS AND CONNECTION POSITIONS N B VALUE 1000 WITH ASTERISK max 600 if siphon with valve is used ...

Page 8: ...ponents 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 b...

Page 9: ...crease 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 Caution make sure that the intake and drain hoses are not bent constricted or crushed after installation When installing the drain hose to a siphon w...

Page 10: ...t 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 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 ...

Page 11: ... CW 420 430 11 Figure 1 Appliance electrical system diagram ...

Page 12: ...to them Red hose detergent blue hose rinse aid 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 by ordering the relative kit As an alternative an external dispenser can be fitted making the ...

Page 13: ...ristaltic rinse aid pump is installed see point 6 6 RB Rinse aid dispensing regulator screw Adjustments are made using the adjuster screw AS SHOWN The quantity dispensed is reduced by turning clockwise and increased by turning anticlockwise RB Rinse aid dispensing regulator screw RV Inspection panel removal screw ...

Page 14: ...tergent 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 dis...

Page 15: ...ty after the filling and heating phases The display shows UnLo 1 58 when the beep sounds release the button and press it again at once Keep pressing the button again to scroll through all the modifiable parameters in the following order Rinsing temperature boiler temperature Washing temperature tank temperature Quantity of detergent dispensed if featured the number indicates the seconds of perista...

Page 16: ...ener only tStP on off on minimum rinsing temperature as set regardless of intake water temperature If the intake water is not hot the cycle duration might be a few seconds longer than the nominal timing off the minimum rinsing temperature might be a few degrees lower than the setting Rinse aid pump total operating minutes display if featured This value can be reset during pump maintenance see belo...

Page 17: ...can only be accessed with the aid of a password available on SmegTech and only by technical staff 6 2 Quit SET UP menu Wait more than 10 seconds without pressing any button and the appliance quits this menu automatically or press the on off button to exit Indicator lights showing off green orange flashing Caution the tank and boiler temperatures shown on the display may be differ from the actual t...

Page 18: ...ured Modify the value of the parameter by pressing DETERGENT Delivery time s Delivery quantity c c 0 0 0 2 0 8 4 1 7 default value factory preset 6 2 5 8 3 3 10 4 2 12 5 0 14 5 8 16 6 7 18 7 5 20 8 3 6 6 Rinse aid dispensing setup if featured Modify the value of the parameter by pressing RINSE AID Delivery time s Delivery quantity c c 0 0 0 6 0 7 default value factory preset 12 1 3 18 2 0 24 2 7 3...

Page 19: ...rameter by pressing Hardness d German degrees Hardness f French degrees Setting level Regeneratio n off Regeneration off H00 8 5 15 H01 11 20 H02 17 30 H03 22 5 40 H04 28 50 H05 Regeneration cycle duration 12 minutes 33 5 60 H06 With values over 60 dF an external water treatment device must be used and the regeneration frequency must be set on H00 6 9 tStP minimum rinsing temperature function Modi...

Page 20: ...ing foam in tank point of the troubleshooting section restore T Stop ON and or connect the appliance to a hot water supply 6 10 Rinse aid pump display and if required reset during maintenance if featured To reset press for 3 seconds 6 11 Detergent pump display and if required reset during maintenance if featured To reset press for 3 seconds 6 12 Energy consumption Display and reset if required To ...

Page 21: ...persists after the dishwasher has been switched off and back on proceed as described below Err04 Tank temperature probe malfunction Tank temperature probe disconnected or not working Err05 Tank water filling malfunction The tank does not fill within the allowed time check water intake tap dynamic pressure in intake system cleaning of water intake filter possible damage to water intake hose or clea...

Page 22: ...ting element is damaged this might be due to operation with no water in the boiler the pressure switch is indicating full even with the boiler empty check and if necessary replace the boiler air trap and or the relative pressure switch the problem is generally preceded by boiler overheating E28 Err24 Boiler temperature probe malfunction boiler temperature probe disconnected or not working Err25 Bo...

Page 23: ...r failure 8 INSTRUCTIONS FOR THE USER 8 1 Control panel On off button Program selection button Start CONFIRM PAUSE button Total emptying button tank and boiler Additional function selection button L1 Mains power on light L2 Intake standby cycle in progress light red green L3 Pump out in progress light No rinse aid symbol if a system for monitoring outside the dishwasher is provided Tank heating el...

Page 24: ...reign bodies in the dishwasher 8 3 First use each day tank and boiler empty Indicator lights showing off green orange flashing Display shows Actions and what happens With the door closed Press and hold it down with word FILL appears the dishwasher fills the tank after the water in the boiler has heated up light L2 shows orange and the boiler heating element symbol appears on the display When toppi...

Page 25: ...ratures for a short time Load the dishes Select the program required by pressing Confirm the program start by pressing and holding it down for 1 second light L2 changes from green to orange Cycle in progress the progress of the cycle is displayed by vertical bars which illuminate in sequence If the door is opened CLOSE flashes and the program stops when it is closed again the program restarts from...

Page 26: ... models only The filter is fitted with a sensor which checks that it is properly fitted if it is not in the correct position the word FiLter appears on the display 9 CHOOSING THE PROGRAM PROGRAM TYPE OF DIRT DURATION P1 Glasses Short about 1 30 1 with glassware function active P2 Glasses cups and plates with light dirt Average about 2 30 2 with glassware function active P3 Very dirty dishes and cu...

Page 27: ...ty to stabilise the boiler temperature Press and hold it down to select the glassware function then press to confirm the program start 10 2 Selecting the extra rinse function available in P1 P2 P3 P4 Extends the duration of the rinse Press and hold it down to select the extra rinse function then press to confirm the program start During performance of cycles with Extra Rinse the cycle duration inc...

Page 28: ...tween showing the supplementary function and the duration LOADING THE DISHES Plates The basket is able to take 8 plates Remove solid residues bones fruit peel stones etc and first soak plates with dried residues of cheese egg etc in water Glasses Load glasses upside down Cutlery Use the basket s provided Load cutlery loose preferably with the handle at the bottom taking care not to injure yourself...

Page 29: ...tion cycle required after a number of washes which depends on the hardness of the water about 30 for average setting H03 In this case the sequence will be as follows Press the pump out button rEgE and the duration appear on the display Confirm by pressing light L2 turns orange When pump out is complete the appliance switches to OFF status Topping up with regenerating salt for models with water sof...

Page 30: ...instructions regulations and standards or incorrect connections 11 1 Daily cleaning The dishwasher has IPX4 protection but the use of direct water jets for cleaning is forbidden Cleaning the filter during the day In case of particularly heavy duty working conditions the filter should be cleaned every 30 40 cycles keeping the machine in operating conditions to do this carry out the partial tank pum...

Page 31: ... and bottom spray arms by unscrewing the central screw remove the rinsing spray arms 3 and remove the screws 2 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 TOP SPRAY ARMS stainless steel BOTTOM SPRAY ARMS stainless steel Clean the outside of the appliance with a damp ...

Page 32: ... If the word CLOSE remains on the display even with the door closed call the after sales service POOR WASHING RESULTS Spray arm washing holes blocked by dirt or limescale Remove spray arms and clean them 11 2 Routine inspection 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 rins...

Page 33: ...Y 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 WATER IN TANK AFTER PUMP OUT Drain hose incorrectly positioned or partially obstructed Check that the dishwasher hose and drain are unobstructed and the drain is not too high up see connection diagram 13 MALFUNCTIONS SHOW...

Page 34: ...t up Contact the After Sales Service Err24 Boiler temperature probe malfunction Contact the After Sales Service Err25 Boiler water filling malfunction Check that the water intake tap is on and the dynamic pressure in intake system inspect water intake filter and clean if necessary If the problem persists contact the After Sales Service Err26 Boiler emptying malfunction Check that the rinsing spray...

Page 35: ...re Maximum cost 14 26 cent min including VAT with no charge on answer from landline Maximum cost 48 cent min including VAT with maximum charge on answer of 15 49 cents including VAT from cell phone For further details of costs of calls from cell phones contact your operator Our whole product offering can be viewed at www smeg ristorazione com International customers please contact your local SMEG ...

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