ElcoBrandt SUPREME DED400XP1 Service Manual Download Page 79 | Manualshive

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77

Safety Advice for Service Engineers

Caution: Before commencing any work on the appliance, it should be “disconnected”
from the electricity supply. This can be done by:

either removing the appliance plug from the mains socket or by isolating electricity
supply to socket through safety circuit-breaker or by turning off electricity completely
at mains switch.

Caution: For the purpose of simply carrying out testing and checking of the machine,
the Service Engineer may leave the machine connected to the mains power supply when
there the approved electrical safety breaker device installed at the back, in the left-hand
bottom corner of the machine (that cuts out power supply in all directions between
appliance socket and appliance electrical circuit) is manually activated and cuts out
mains power to the machine.

As an authorised Service Engineer, you should comply with all European testing
standards and the relevant safety regulations for electrical appliances, in order not to
endanger yourself or other people and to prevent any other kind of hazards and risks.

For this electrical appliance, due to various systems that contribute to the working of the
machine, it is important that you observe and take note of the technical specifications of
the machine which include:

Power supply: 240 Volt mains
Heat exchanger and operating pressure up to 15 bar
Water containers and water conducting pipes (some under pressure)
High temperatures in water conducting system and heat exchangers

Only authorised Customer Service Engineers are allowed to carry out work on this
Espresso machine (the opening of parts of the machine that are secured by screws).
European testing and safety regulations should always be complied with when carrying
out work on the appliance.

The appliance manufacturer and the Servicing firm shall not be liable for work carried
out that is not conformant with test an safety regulations and, likewise, tampering or
work carried out by unqualified servicing firms and local service engineers.

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Summary of Contents for SUPREME DED400XP1

Page 1: ...EXPRESSO DED400XP1 ...

Page 2: ...using However it is causing an obstruction and the espresso machine does not sit flush in the built in cabinet the safety switch cannot engage and thus the machine has no power supply 6 04 COFFEE GRINDER Problem PAGE 32 41 The coffee grinder is not delivering coffee even though the sound of the motor can be heard 7 04 SENSORS PAGE 42 61 Problem Brewing and beverage water or steam does not reach th...

Page 3: ...gasket or seal made out of heat resistant rubber like material O ring which normally prevents liquid from leaking out between group head and filter holder When the O Ring is defective or the wrong size this can lead to the problem described above Solution The old gasket should be replaced with a new one following these step by step instructions Safety Advice for Service Engineers Attention Before ...

Page 4: ...o machine the opening of parts of the machine that are secured by screws European testing and safety regulations should always be complied with when carrying out work on the appliance The appliance manufacturer and the Servicing firm shall not be liable for work carried out that is not conformant with test an safety regulations and likewise tampering or work carried out by unqualified servicing fi...

Page 5: ... on the water in let base arrangement located on the ALU heat exchanger Unscrew the six countersunk screws on the cover Then remove cover First loosen the hexagonal M10 nut then remove L bend element holding the flexible water in let tube Next loosen the hexagonal M13 corner nut Then remove the top and inner metal plates Finally the freed water in let group can be removed from below ...

Page 6: ...L bend element there is a mini seal that should not be lost It is essential that this seal is replaced when the part is screwed back in later Take out element with plastic pressurised in let tube and place it temporarily to one side 5 Next using the M 13 spanner remove the water in let assembly Once the M13 nut has been removed do the same thing with the top and lower metal plates Finally the sunk...

Page 7: ...d removed the water in let assembly and the M13 nut and likewise removed the top and lower metal plates on the top of the heat exchanger the diffuser and the insert screen can be glided out from below You will see that there is a groove on the outer perimeter of the diffuser that houses the gasket large O Ring that needs to be replaced 7 Removing the gasket O Ring The description in the next secti...

Page 8: ... performing this operation reassemble the entire group in reverse order 1 Replace the diffuser by inserting it into the filter holder group head from below and push up until it reaches the top position and the threaded part once again protrudes out of the heat exchanger Reposition the low and top plates and position and tighten the M13 nut Tighten the nut by turning in a clockwise direction using ...

Page 9: ...s are available from the service department Once the water in let tube has been reattached the cover can be repositioned and screwed into place using the six countersunk screws Finally reposition the machine in its housing and reconnect electricity supply Then switch the espresso machine back on and after following normal start up procedure the espresso machine is ready for use Carry out 2 3 test ...

Page 10: ...s resistant to damage due to high temperatures but a fault in the material from which it is made may mean that it is defective Solution The old sealing ring should be replaced with a new one following these step by step instructions Safety Advice for Service Engineers Attention Before commencing any work on the appliance it should be disconnected from the electricity supply This can be done by eit...

Page 11: ...the opening of parts of the machine that are secured by screws European testing and safety regulations should always be complied with when carrying out work on the appliance The appliance manufacturer and the Servicing firm shall not be liable for work carried out that is not conformant with test an safety regulations and likewise tampering or work carried out by unqualified servicing firms and lo...

Page 12: ...10 2 Using a small hex key 2 5 mm unscrew the three socket head screws which fix the two part filter holder base to the filter holder basket 3 Now remove the check plate with the aid of the hex key ...

Page 13: ...ongated straight cut edges of the base plate cavity of the filter holder Please see photo below 5 With the aid of a round object for example a sturdy glass as show in the photo that fits into the filter holder basket place the filter holder over the glass pressing down firmly until the filter holder spring is under tension ...

Page 14: ...ing and over the threaded centre pin 6 The filter basket with the O Ring sealing ring which is part of the centre threaded pin assembly and likewise the coiled up spring can now be eased out from below The old O ring can be replaced with a new one at this point ...

Page 15: ...ssembly instructions in reverse order The broader Spiral side must point in the direction of the basket base Then once again with the help of a round object base of a glass recoil the spring and reassemble the base plate on the filter holder following the photo sequence below 1 2 3 ...

Page 16: ...back on Switch the machine on and after following normal start up procedure the espresso machine is once again ready for use Carry out 2 3 test runs espresso to check whether the replacement of the seal has been successful Espresso should only be delivered from the spouts under the filter holder No liquid should drip out of the area where the threaded centre pin meets the filter holder base nor sh...

Page 17: ...uipped with a safety thermostat The sensors establish the maximum and minimum temperature of water in the heat exchanger The safety thermostats are activated when there is no water flowing into the heat exchanger or when defective sensors signal abnormally high temperatures In theses instances the relative thermostat is activated breaking the circuit and it subsequently needs to be reset manually ...

Page 18: ... conducting pipes some under pressure Only authorised Customer Service Engineers are allowed to carry out work on this Espresso machine the opening of parts of the machine that are secured by screws European testing and safety regulations should always be complied with when carrying out work on the appliance The appliance manufacturer and the Servicing firm shall not be liable for work carried out...

Page 19: ...wed down with 6 countersunk screws Unscrew and remove all screws and take cover off 3 With the cover removed the next photo shows the view of the inside layout from above Unscrew the six countersunk screws on the cover Then remove cover ...

Page 20: ...e the machine for testing do not reassemble the top front cover switch the machine on following normal start up procedure Wait until the top left and top right leds showing brewing water and hot water steam temperature remain alight For testing purposes turn the knob on the front panel and check whether hot water is delivered from the wand In the event that the thermostat should cut out again then...

Page 21: ...g adhesive to the back of the new one install and screw tightly into position 7 After having reversed reset the thermostat buttons and or replaced the thermostats close up the machine do not yet screw the upper cover in place and test run the machine When both brewing water and hot water steam are delivered from the wand at the right temperature the repair has been carried out successfully and the...

Page 22: ... bottom heat exchanger Rev Thermostat Top heat exchanger Bottom heat exchanger thermostat Coffee brewing water 165 C nut size no 17 spanner red reverse breaker Top heat exchanger thermostat Hot water steam 195 C Screw holdfast plates X 2 Phillips head screws brown reverse breaker ...

Page 23: ...king the appliance on the right and left sides of the machine are released so that the appliance slides along the glides and can be pulled forward Sometimes a production defect means that these stops are not locked into position behind the corresponding groove they do not fall into position so that the appliance is pulled forward out of its housing every time the drawer is opened Solution The plas...

Page 24: ...ontainers and water conducting pipes some under pressure Only authorised Customer Service Engineers are allowed to carry out work on this Espresso machine the opening of parts of the machine that are secured by screws European testing and safety regulations should always be complied with when carrying out work on the appliance The appliance manufacturer and the Servicing firm shall not be liable f...

Page 25: ...been pulled out now pull at the drawer out until it reaches its most forward position Remove the top spill plate 3 Remove the double partition drawer liner The next photo shows one of the two black stops that need to be worked on ...

Page 26: ...cess the two stops from which you will need to file off a small layer of plastic 4 The whole drawer assembly is fixed underneath with four counter sunk screws These screws can be accessed easily from below and need to be unscrewed Unscrew these four screws ...

Page 27: ...ken out 6 You will find easier to work if you place the whole drawer assembly upside down on a table Now the corners of glide notches can be worked on comfortably After having taken out the 4 screws remove the whole drawer assembly including the glide system and place it upside down on a table ...

Page 28: ... existing sloping edge so that later when they have been re assembled that can glide more easily behind the housing frame After final re assembly the drawer after the appliance has been reinstalled in its housing should descend slightly 4 5 mm and engage You will need to file off about 2 mm of plastic from the upper corner of this stop using a small file File off about 2 mm from the top corner of ...

Page 29: ...27 Only after lifting the drawer handle should the appliance glide out of its housing When the drawer handle is simply pulled only the drawer should pull out Reassemble in reverse order 1 2 3 FINISHED ...

Page 30: ...cribed way that is entering from behind and running along the top in the fixed strain relief clamp on the outer housing and in a straight line to the entry point on the appliance that is positioned in about the centre of the machine in between the two wall panels but it is forming a loop of slack When the machine is pushed into its housing cabinet the length of the cord of varying size forms a loo...

Page 31: ...exchanger and operating pressure up to 15 bar Water containers and water conducting pipes some under pressure Only authorised Customer Service Engineers are allowed to carry out work on this Espresso machine the opening of parts of the machine that are secured by screws European testing and safety regulations should always be complied with when carrying out work on the appliance The appliance manu...

Page 32: ...behind the two panels as shown The next two photos show the red plastic support clip cable protection and how the cable should run from in between the two panels and behind and up to the strain relief device Photo 3 At this point the cable should run diagonally upwards When the machine is repositioned inside its housing the cable should not form any slack Slack cord between the back panel of the m...

Page 33: ...31 Photo 5 Check that the red plastic protective clip is always fixed to the narrow curved edge of the back outer panel ...

Page 34: ...els have already come into direct contact with each other and this has caused damage to the plastic milling wheels that are housed in the gear motor part of the appliance The gears have been permanently damaged Solution To a Pull the machine out of its housing Remove coffee bean hopper cover and empty At the back of the machine on the left hand side feel for the safety switch and manually press an...

Page 35: ... endanger yourself or other people and to prevent any other kind of hazards and risks For this electrical appliance due to various systems that contribute to the working of the machine it is important that you observe and take note of the technical specifications of the machine which include Power supply 240 Volt mains Heat exchanger and operating pressure up to 15 bar Water containers and water c...

Page 36: ...chine has been pulled out both upper covers need to be unscrewed and removed 2 First remove the cover at the front Look at the following photos as a guide Photo 2 1 Photo 2 2 Unscrew the six countersunk screws on the cover Then remove cover ...

Page 37: ... as you will see later Place both covers to one side Observe the following photos Photo 3 1 Photo 3 2 Photo 3 3 Photo 3 4 4 The water container mounting now needs to be disassembled To do this the stops on the thin side walls for the front dividing panel must be pushed as far back as possible so that the mounting can be pushed up to the top and removed The base of the mounting is sprung So please ...

Page 38: ...also see the wiring The two AMP plug connections for the power supply can be disconnected You should trace the earth wiring through the housing opening and into the front section of the machine The plug is positioned on the front water valve and must be disconnected The safety tabs must be bent so that the container can be pushed up ...

Page 39: ...e transparent hopper from the grinder and remove Remember that the mark on the rim of the transparent hopper should positioned later on the left hand side 8 Now it is the turn for the grinder to be disassembled First unscrew the four socket head screws see photo on the next page The front screw on the left is not easy to access and is partially hidden by the axel arrangement of the grind selector ...

Page 40: ...an be uncoupled remove the worm screw Photo 8 1 Photo 8 2 9 Now the entire grinder assembly consisting of motor and gearbox containing the milling wheels can carefully be taken out During this operation manually pull the two electrical wires and the long earth wire through the housing shaft opening Photo 9 1 ...

Page 41: ...the front section of he machine and there reconnect it to the water valve Photo 10 1 11 Now the worm screw forming part of the angled transmission on the grind selector should be positioned so that it engage with the teeth of the gear motor wheels At the same time the coffee outlet on the grinder must be positioned so that it is matches that of the coffee hopper at the front and connection in the ...

Page 42: ... cover When replacing the cover make sure that the tube running between the water gauge and the hole in the cover has no kinks which would cause major problems to the water flow system 16 Now insert the tube through the opening in the blue cover of the water container remembering to position it as it was positioned before with the aid of the felt pen marking Then push the transparent filter into t...

Page 43: ...component of the gear motor and the apparently slow moving casing Please look at the following photos This pre setting should not be changed under any circumstances otherwise delivery of the right coffee grind will become lengthy and difficult The markings are covered in the section selection settings for the coffee grind in the User s Guide This pre setting will allow the individual grind prefere...

Page 44: ...ture falls to the minimum The relative sensor will switch the heater off when the maximum temperature is reached When temperature exceeds the maximum limit sensor error fault the safety thermostat is triggered reversible Cause s a The sensor may be faulty or defective The corresponding blue led on the diagnostics panel remains permanently on or the reverse safety thermostat is repeatedly triggered...

Page 45: ...work on the appliance it should be disconnected from the electricity supply This can be done by either removing the appliance plug from the mains socket or by isolating electricity supply to socket through safety circuit breaker or by turning off electricity completely at mains switch Caution For the purpose of simply carrying out testing and checking of the machine the Service Engineer may leave ...

Page 46: ...ions should always be complied with when carrying out work on the appliance The appliance manufacturer and the Servicing firm shall not be liable for work carried out that is not conformant with test an safety regulations and likewise tampering or work carried out by unqualified servicing firms and local service engineers Important information on manufacturing coding AQ PASS Serial number Artech E...

Page 47: ...were introduced The instructions that follow are valid for both types The procedure for the older type of sensor will be described first and then the procedure for the new one New sensor for bottom heat exchanger New sensor for top heat exchanger Old sensor for bottom heat exchanger Old sensor for top heat exchanger ...

Page 48: ...d two rachets you will also need two screwdrivers one normal one and one with interchangeable bits as well as spanners for a range of widths 10 12 13 14 15 and 17 Step by step procedure 1 Firmly clutch and lift the handle on the spill tray drawer and gently slide the Espresso machine out of its housing towards you Opening as for water and coffee refilling or checking the grinder ...

Page 49: ...wed down with 6 countersunk screws Unscrew and remove all screws and take cover off 3 With the cover removed the next photo shows the view of the inside layout from above Unscrew the six countersunk screws on the cover Then remove cover ...

Page 50: ... reverse push button has been set in the pushed in position close the machine for testing do not reassemble the top front cover Switch the machine on following operating instructions Wait until the top left and top right leds showing brewing water and hot water steam temperature remain alight For testing purposes turn the knob on the front panel and check whether hot water is delivered from the wa...

Page 51: ...es to take the defective sensor out of the hole in the heat exchanger 10 Now find a clear working space as the diagnostics and settings panel needs to be disassembled The panel is fixed on the outside by two screws underneath on the right and on the left First remove knob on the right then unscrew right screw underneath and then left screw See photos 10 1 10 2 ...

Page 52: ...sensor attached through the gap lifting it over and out of the heat exchanger zone and into the electronic one or alternatively pull the wire into the heat exchanger zone If this does not resolve the problem you need to make room for the next parts to be disassembled Remove the top cover In detail this entails removing the cover from the coffee container the filter at the end of the water tube and...

Page 53: ... can be accessed The front screw can be accessed after having removed the switch cover Loosen screws Multi terminal plug has already been loosened Remove the two earth connections and the two primary line wires brown and blue lying on L and N and the two secondary line wires lying on 1 and 2 Take out the dividing plate Now it is possible to track the sensor connections that need to be loosened to ...

Page 54: ...wo black wires adapter box of the hot water sensor Plug socket for flatband connection between main circuit board and front switch circuit board Plug socket for the two red wires adapter box of the coffee brewing water sensor ...

Page 55: ...sassemble the central water in let pipe Next remove the flexible tube from the elbow union press ring on the union in the direction of union and slide out tube in opposite direction b Work carefully when disassembling and reassembling the elbow union The thread on the elbow union is very delicate and can easily be ruined by over tightening When reassembling apply Loctite sealant to thread and tigh...

Page 56: ...hand side need to be loosened Both can be found on the top heat exchanger The back connection is made up of a brass fitting arrangement while the front one under a curved connection is a chrome union fitting arrangement In the case of the brass fitting union use the left large nut for support and loosen the smaller right nut In the case of the chrome union the nut which is under the elbow union sh...

Page 57: ... been unfastened the top water heat exchanger can be carefully removed Next the bottom heat exchanger for coffee brewing water sensor can be changed that is likewise in a 10 O clock position under the earth screw Loosen the earth screw that holds the three incoming earth connections and take the sensor with its two red wires out of the hole in the heat exchanger Trace the connection back to the ma...

Page 58: ...3 1 13 2 13 3 13 Photos 13 1 to 13 3 show the removal of the top heat exchanger and the freeing of the bottom sensor connection The sensor with the red wires is under the insulation next to the earth screw ...

Page 59: ...mostat 16 Next you need to completely reassemble the top heat exchanger Follow this procedure a Place the heat exchanger in the correct position and position both inbus screws and screw up tight b Reconnect water connections Tighten well so that afterwards the pressure connections are also sealed c Replace the central tube with upper filter holder check gasket and carefully clean off any dried cof...

Page 60: ...he single wires up to the sensor casing and position so that no contact can be made between them and no contact with the metal is possible 17 The next section will explain how to replace the new sensors that were introduced commencing from Wk 42 in 2003 with a view to making the disassembly and re assembly procedure to replace sensors easier The position and the type of sensors were changed The ho...

Page 61: ...The coffee sensor bottom heat exchanger is likewise on the right hand side of the heat exchanger It is however positioned below at the front on the right at 5 O clock and in the current production series is somewhat difficult to access in the future the window on the bottom right of the housing will be made larger to make handling easier The yellow two headed arrow shows the hot water sensor Loose...

Page 62: ...the new sensors have been installed old and new procedure the machine can now be re assembled a Position the dividing plate with fitted filter against electromagnetic interference All connecting wires that run between the heat exchanger compartment and the electronics compartment must be carefully placed in the gaps under the metal plate so that the metal plate can sit cleanly underneath on the fl...

Page 63: ...Reconnect machine to mains for testing purposes and disengage the safety switch at the back bottom left with the aid of a piece of styrene wood or cardboard so that the machine is electrified j Caution Now do NOT touch any parts inside the machine Keep people away from the machine All connections and plugs are under 230 volt voltage Electric shock hazard k Switch machine on at front panel A number...

Page 64: ... fuse system is o k It is positioned on the side top left There is no reaction after having pressed one cup or two cups pad and likewise short medium long Espresso In correct working conditions all function pads on being pushed should immediately perform their relative tasks The pre set or individually set functions should always be performed and delivered repeatedly in the same standardised way I...

Page 65: ...uit board and the main switch board is plugged in correctly b The fault could be due to normal wear and use of the circuit boards the relative maintenance instruction highlights the importance of changing the main circuit Before changing the main circuit board check that the fault is not due to the switch circuit board Solution To a The switch circuit board needs to be disassembled following the p...

Page 66: ...and the relevant safety regulations for electrical appliances in order not to endanger yourself or other people and to prevent any other kind of hazards and risks For this electrical appliance due to various systems that contribute to the working of the machine it is important that you observe and take note of the technical specifications of the machine which include Power supply 240 Volt mains He...

Page 67: ...sponding week Customer reference number Shown above is the previous coding system used up to week 47 2003 The 1st and 2nd digit groups were not used After week 47 the coding shown below was introduced and is now the valid coding system 00 00 000 Serial number Year last two digits Production week of year Please always quote the appliance number when dealing with our service department ...

Page 68: ...embling the heat exchanger and two rachets you will also need two screwdrivers one normal one and one with interchangeable bits as well as spanners for a range of widths 10 12 13 14 15 and 17 General procedure 1 Firmly clutch the handle on the spill tray drawer and gently slide the Espresso machine out of its housing towards you Opening as for water and coffee refilling or grinder selection ...

Page 69: ...to shows the view of the inside layout from above 4 The following picture shows the top positioned heat exchanger seen from above In the centre of the heat exchanger there is the water in let pipe assembly through which heated water under pressure passes Top left at 10 O clock there is the Unscrew the six countersunk screws on the cover Then remove cover ...

Page 70: ...ot reassemble the top front cover Switch the machine on following operating instructions Wait until the top left and top right leds showing brewing water and hot water steam temperature remain alight For testing purposes turn the knob on the front panel and check whether hot water is delivered from the wand In the event that the thermostat should cut out again then the fault could be with the sens...

Page 71: ...screw See photos Remove panel 9 1 9 2 9 3 10 Now check that the flat cable connection is plugged in correctly To do this unscrew the four screws that hold the circuit board in its frame 10 1 and remove the circuit board carefully from its mounting You can now see the top side of the circuit board 10 2 and you can check whether the flat cable is connected properly 10 1 10 2 ...

Page 72: ...and by carefully moving the various cables that lead to the main circuit board to one side you will see a small red plug on the main circuit board We would recommend that you remove the large 8 plug terminal power supply to main circuit board so that you have a free view of what is below the circuit board and can check the connection of the mini plug flat cable See the photos below 11 1 11 2 11 3 ...

Page 73: ...that the flat cable is sitting unobstructed at the back 15 Reconnect the 8 pole plug terminal to the main circuit breaker 16 Next test run the machine replace the upper cover but do not screw into place Fill coffee grinder hopper and water container 17 Reposition in its housing the safety switch should be at the end position so that power is delivered to machine Switch the machine on Let the machi...

Page 74: ...hen re assembling remember to reposition the hopper with the mark on the rim facing left See the following photo sequence Loosen all screws Remove cover Empty coffee hopper and after unscrewing two black screws remove Now the back screws fixing the plate that divides the heat exchanger zone from the electronic one can be accessed The front screw is already accessible after having removed the front...

Page 75: ...Using a small pair of pincers squeeze the clips one by one and ply out of the main circuit board through the holes The clips remain attached to the circuit board When they are squeezed the entire board can be moved and can be carefully taken out Now disconnect the single plugs in total five cable plugs plus the eight pole plug terminal which has already been unplugged and then plug in all plugs in...

Page 76: ...Re assemble transparent coffee hopper and screw in place Replace and position the water pipe through the opening in the back cover and re insert water container Replace filter and reposition the tube through the blue cover using the tape mark to make sure that it will occupy the same position as before 24 Screw back cover into place Screw front cover into place Screw the front panel into place unl...

Page 77: ...etween the water container and flowmeter is badly positioned or has a kink The quantity of water required by the pump is not being delivered The pump is running on insufficient water and is becoming noisy b There maybe an obstruction in the water flow system or a general furring up that leads to insufficient water being delivered to the pump c The pump is faulty due to having run on insufficient w...

Page 78: ... place a container under the water tap Press the top left pad brew coffee and look into the back section between the blue water cover and the entry hole and check whether water is flowing See photo Carefully jiggle the tube left and right to eliminate any kinks that might be along the tube which cannot be seen because it is behind the casing If sufficient water is not being delivered and the pump ...

Page 79: ...and the relevant safety regulations for electrical appliances in order not to endanger yourself or other people and to prevent any other kind of hazards and risks For this electrical appliance due to various systems that contribute to the working of the machine it is important that you observe and take note of the technical specifications of the machine which include Power supply 240 Volt mains He...

Page 80: ... Production week in year Day 1 7 of corresponding week Customer reference number Shown above is the previous coding system used up to week 47 2003 The 1st and 2nd digit groups were not used After week 47 the coding shown below was introduced and is now the valid coding system 00 00 000 Serial number Year last two digits Production week of year ...

Page 81: ...79 The hand tools that are essential for carrying out servicing on the Espresso Machine are shown below and should always be part of your servicing kit ...

Page 82: ...dths 10 12 13 14 15 and 17 General procedure 1 Firmly clutch the handle on the spill tray drawer and gently slide the Espresso machine out of its housing towards you Opening as for water and coffee refilling or grinder selection 2 The upper front cover is screwed down with 6 countersunk screws Unscrew and remove all screws and take cover off Unscrew the six countersunk screws on the cover Then rem...

Page 83: ...m coffee hopper remove cover from water container remove filter from end of tube and remove tube from the cover first mark the position on the tube with a piece of tape where it enters the cover opening so that it can be replaced in the same position later remove water container and unscrew all cover screws Remove cover 4 See the following photo sequence Loosen al screws on top back cover Remove b...

Page 84: ...ling Carefully remove cover Do not lose red seal Check whether the small impeller wheel with magnets turns freely If yes replace cover and turn clockwise to lock 5 Now you need to free up a further section of the machine to proceed with changing the pump Firstly the front control panel needs to be disassembled This can be done by removing the two screws on the right and left under the panel Rememb...

Page 85: ...ssarily 6 Now the pump can be disassembled from the machine Follow the step by step procedure shown below Through the front housing panel window on the right disconnect the water in let pipe to the pump using a suitably sized spanner And remove Next loosen the fixing screws on the two rubber pump clamps From below hold onto the butterfly nut and from above loosen the two socket head screws ...

Page 86: ...nificant amount of force will be needed to do this Then remove the rubber supports on both sides and place on new pump Next remove the two plastic caps put on by manufacturer to prevent dirt from entering pump Then remount the brass elbow union on the new pump and tighten using maximum force Later when you test the machine not having fixed the upper cover in place check that this connection is wat...

Page 87: ... unnecessary persons away from machine When both the water and coffee temperature leds stop flashing leds to right and left test the machine following operating instructions It is important to allow the new pump to draw in mains water supply First place a bucket under the water tap and open tap by pushing lever in an anti clockwise direction The pump should run and water from the water container s...

Page 88: ...ver up to the taped mark and re insert filter in the end f Fill water container reposition and replace cover Position the tube so that is lies flat but with no kinks in the section between the opening in the metal cover and the opening in the blue cover It should not be obstructed or get caught up in any way when the machine is pushed back into its housing g Replace front upper cover and screw in ...

Page 89: ...relevant safety regulations for electrical appliances in order not to endanger yourself or other people and to prevent any other kind of hazards and risks For this electrical appliance due to various systems that contribute to the working of the machine it is important that you observe and take note of the technical specifications of the machine which include Power supply 240 Volt mains Heat excha...

Page 90: ...g Water passes through the heat exchanger 1 where it is heated under pressure Water then flows over the three way tap to the open coffee solenoid valve 3 and then through the system to the duct pipe which leads to both heat exchangers and eventually to the filter holder The water steam solenoid valve 4 during this process remains closed 2 Hot water or water steam delivery When the Water steam sole...

Page 91: ...MODEL SUPREME HYDRAULIC DIAGRAM water container fluxmeter pump steam tap steam heat exchanger solenoid valve solenoid valve coffee heat exchanger water coffee basin ...

Page 92: ... WATER PUMP 8 GRINDER MOTOR 9 WATER STEAM SOLENOID VALVE 10 COFFEE SOLENOID VALVE 11 LIGHTNING 12 POWER CARD 13 COFFEE TEMPERATURE SENSOR 14 WATER STEAM TEMPERATURE SENSOR 15 KNOB SWITCH 16 WATER FLUXMETER 17 COFFEE SENSOR 18 WATER SENSOR WIRING DIAGRAM MODEL SUPREME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ...

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