Operating instructions KE 640.indd
Contents
1. 8 4 3 Remove the grind adjustment lid Item 5 8 4 7 Carry out a grinding and coffee brewing test Readjust the grind 99 Release the motor s plug in connector 1 ing setting if necessary Carefully pull the integrated grinder out of the casing 2 9 3 Vaccum out the grinder Carefully vacuum out the grinder casing and the integrated grinder s spout and clean with a brush Do not damage any cables 9 4 Component assembly is carried out in reverse order To do this please note 8 4 5 to 8 4 7 Page 10 erinding with passion 10 Maintenance and Repair Always pull the main plug from the socket before carrying out maintenance or cleaning work on the grinder Inspect the grinder regularly for damage particu larly to the electrical cable plug etc Any required repairs may only be conducted by authorized specialist personnel For this reason please contact a customer service repair facility your dealer or us directly as the manufacturer 10 1 Grinding Disc Replacement 10 1 1 Grinding disc replacement should only be carried out by autho rised specialists or a customer service centre Repair manual KE 640 grinding disc replacement and basic adjustment article No 6592 is required for replacing grinding discs 10 1 2 Grinding disc replacement may also be carried out using a re placement AT integrated grinder To do this order an AT integrated grinder On receipt of the AT integrated grinder remov2. duced 10 2 11 Insert the sealing ring again If the sealing ring is damaged it must be replaced 10 2 12 Replace the hopper and allow it to engage in the bayonet and replace the lock screw item 2 Open the hopper slide 10 2 13 Reset the desired double portion grinding fineness and grind ing time 10 2 14 Push your espresso machine s port a filter into the port a filter mounting item 14 until the grinding process is switched on 10 2 15 Only remove the port a filter once the grinding process has been completed Repeat approximately twice until the grinder casing is filled completely with fresh re adjusted ground coffee 10 2 16 Now brew a test portion of espresso using your machine If the result is unsatisfactory repeat the adjustment steps as described in section 6 1 6 to 6 1 8 by varying the grinding time and grinding fine ness 11 Spare Parts Spare parts are usually ordered from your customer service centre or your local dealer To ensure quick and correct processing of your order the following information is absolutely essential 1 Type designation serial number and voltage of the grinder on the rating plate underneath the grinder 2 An exact description of the part to be replaced or the article num ber Page 12 erinding with passion 12 Wiring Diagram 12 1 Diagram 100 115V 50 60Hz az wi XPE A W sauce Kt S0 1 3 Main switch 4 XPE a all si
3. 5 1 Usage Location 4 9 4 Component assembly is carried out in reverse order 10 5 2 Installation 4 10 Maintenance and Repair 11 5 3 Basic Adjustment 5 10 1 Grinding Disc Replacement 11 6 Operation 5 10 2 Grinding fineness adjustment with the grinder switched ON 11 6 1 Handling the Grinder 5 11 Spare Parts 12 6 2 Display Menue 6 12 Wiring Diagram 13 6 3 Interruption of grinding 7 12 1 Diagram 100 115V 50 60Hz 13 7 Operating faults 8 12 2 Diagram 200 230V 50 60Hz 240V 50Hz 14 13 Certificate 15 14 Warranty Conditions 15 erinding with passion 1 Safety 1 1 Symbols The following two symbols are used in these operating instructions ID D 1 2 Safety Instructions Only whole roasted coffee beans may be ground in the KE 640 Please read carefully and observe the following safety instructions Failure to do so can result in damage to the grinder and danger to the user Safety Instruction Imminent accident danger if you fail to observe General Instruction Failure to observe can result in damage to the grind er and optimum operation cannot be guaranteed When unpacking please inspect whether the power supply voltage complies with the grinder voltage on the manufacturer s name plate on the bottom of the grinder Never operate the grinder in damp or wet surroundings Always remove the electrical plug from the outlet prior to conducting maintenance or cleaning work on the grinder Also prior to removin
4. gt panel role u rs l paS U1 f 7A Es E IN mM lt X03 Vorellender Kontakt Grounding Pin 100 115V 50 60HZ X03 1400 1620 1 min Grinder Thermo protector un Spout Cover grinding adjust 1 u2 Processor PCB mo we X2 l 01 NO 3 R1 R2 el s3 a NC 2 Sour Run Switch Grinding time Switch Grinding starter Safety switch capacitor single shot single shot double shot double shot cover grinding adjust Page 13 erinding with passion 12 2 Diagram 200 230V 50 60Hz 240V 50Hz Main switch fo Jo Side panel Spout Cover Overload left right grinding adjust 1 U2 protector is Mm Is X03 ow Vorellender Kontakt lt Grounding Pin c only for C0212 00 only for 58 c0332 001 L a mimes 29 co oO Motor C0212 00 200V 230V 50 60HZ 200 230V 10uF Motor C0332 00 240V SOHZ 240V 32ur 1400 1620 1 min Grinder Run Switch Grinding time Switch Grinding starter Safety switch Thermo protector internal capacitor single shot single shot double shot double shot cover grinding adjust Page 14 erinding with passion 13 Certificate ditting Ditting Maschinen AG Bramenstrasse 11 CH 8184 Bachenb lach Switzerland Telefon 41 44 864 1800 Telefax 41 44 864 1801 EC Declaration Conformity As defined by EMC directive 89 392 EWG Name of the manufacturer or in the EU residential authorized person Hemro AG Address of the manufacturer or th
5. beans into the hopper from above Never pour in coffee powder 6 1 3 Check whether the hopper slide item 18 is open 6 1 4 Adjust the port a filter rest item 14 to your espresso machine s port a filter Proceed as follows Switch off the KE 640 espresso grinder by using the main switch item 19 Use the enclosed Allen key to loosen the fastening screws item 15 slightly and adjust the height of the port a filter rest Page 5 erinding with passion Slide the port a filter between the port a filter mounting and the port a filter rest until it comes to a stop Push the port a filter rest up and tighten the fastening screws The setting is correct when the port a filter independently remains in the mounting 6 1 5 Switch on the grinder and check whether the factory grinding time settings for single S 2 0 and double D 4 0 appear in the display by pushing the buttons Item 8 10 If the display corresponds to the fac tory settings continue as described in point 6 1 9 if this is not the case the time must be set see point 6 1 6 6 1 6 Setting the grinding time portion quantity Simultaneously press both buttons for approx 3 sec MENU appears in the display Scroll to menu option STI using the single button Item 8 6 1 7 Use the Single shot timer item 9 to set 2 0 sec Scroll to menu option DTI using the single button Use the Double shot timer item 11 to set 4 0 sec 6 1 8 To store these values press both butto
6. grinding quantity or grinding time is available once again Page 7 erinding with passion 7 Operating faults Defect Cause The grinder hums but The spout is does not grind clogged The grinder does not grind the display is lit single cup is pre selected Grinding is set too fine A foreign object is in the grinding mecha nism The grinding time is set to 0 Remedy Set grinding fineness to coarse and trigger the grinding process The grinder will then grind itself free Af terwards return the setting to the desired grinding fineness Turn the grinding fine ness setting to the right to coarse and trigger the grinding process The grinder will then grind itself free Af terwards return the setting to the desired grinding fineness Clean the grinding mecha nism as described and re move the foreign object Ob serve the safety instructions Reset the grinding time Defect The grinder does not start the operating mode display is not lit Cause The main plug is not inserted The overload circuit breaker has been tripped The pre fuse has tripped Remedy Insert the main plug into the socket Check to determine whether the trip button of the circuit breaker has jumped out Press the trip button in again if appropriate If the circuit breaker trips repeatedly con tact your authorised custom er service centre or dealer Check the pre fuse Restore the
7. shot timer item 11 to set the time 6 2 3 Quantity indicator Scroll to menu option S using the single button The display shows e g S 000020 You have ground 20 single cup portions Scroll to menu op tion D using the single button The display shows e g D 000018 You have ground 18 double cup portions 6 2 4 Continuous quantity indicator not resettable Scroll to menu option SC using the single button The display shows e g SC 000127 You have ground 127 single cup portions altogether Scroll to menu option DC using the single button The display shows e g DC 000120 You have ground 120 double cup portions Press the single button again to scroll forward to set the grinding time again see 6 2 2 6 2 5 Save and exit the menu To store these values press both buttons simultaneously until SAVE appears in the display 6 2 6 Reset function If you wish to reset the quantity indicator 6 2 3 switch off the grinder at the main switch Press both buttons simultaneously and switch on the main switch again The quantity indicator is now set to Q 6 3 Interruption of grinding If the grinding process is interrupted before the set grinding time has expired the LED in the active pre selection button flashes The grind ing process can be re started by pushing the port a filter back into the mounting The missing quantity is ground into the port a filter If this is not desired push the pre selection button and the entire set
8. Operating Instructions KE 640 _Grind on Demand KE 640 KE 640 Vario grinding with passion Dear customer service personnel the Single Espresso Grinder KE 640 is a fully automatic espresso cof fee grinder of the proven Ditting quality We have developed this product with over 80 years of experience in the manufacture of coffee grinders assuring you of high quality grind ing of espresso and other types of coffee beans Read through and observe the operating instructions so you and your customers will thoroughly enjoy the KE 640 Please store the instruc tions in a safe place If anything is unclear or additional information is required please contact your authorized dealer or us asthe manufac turer We will be pleased to advise you further We wish you unlimited pleasure and success with our product Ditting Maschinen AG erinding with passion Table of contents Page Page 1 Safety 1 8 Cleaning 9 1 1 Symbols 1 8 1 Cleaning with GRINDZ Grinder Cleaner 9 1 2 Safety Instructions 1 8 2 Cleaning the Grinder Placement Surface 9 1 3 Usage Purpose 2 8 3 Cleaning the Grinder Casing 9 1 4 Personnel Requirements 2 8 4 Cleaning of the Grinding Mechanism 9 2 Technical Data 2 9 Removal of the Integrated Grinder 10 3 Description 3 9 1 Disconnect the main plug 10 4 Safety Devices of the Grinder 4 9 2 Release the motor s plug in connector 1 10 5 Set up and Basic Adjustment 4 9 3 Vaccum out the grinder 10
9. adjustment screw on the lid Page 3 grinding with passion 4 Safety Devices of the Grinder Thermal overload circuit breaker The motor of the grinder is protected by a thermal overload circuit breaker which interrupts the motor s electric circuit in the event of electric overload The trip switch item 20 must be pressed to enable the grinder to be re started The user has no influence whatsoever on this cir gt gt gt gt cuit breaker If the circuit breaker trips repeatedly an authorised service partner must be consulted as the motor s winding may be damaged 5 Set up and Basic Adjustment A grinding test run is carried out on each grinder in our factory This is why you may find ground material residue in the grinding mechanism 5 1 Usage Location Place the grinder on a level vibration free surface Never operate the grinder in moist or even worse In wet surroundings 5 2 Installation You have received your grinder in operating condition Now you only need to connect it to the main plug Proceed as follows Protect your device with separate pre fuses not in cluded in the scope of delivery according to the in formation provided under Point 2 Technical data gt gt gt gt Insert the plug into the corresponding grounded outlet Make sure that the pre fuse is not overloaded by other devices e g fan heaters deep freezers Check whether the main voltage and f
10. arts and accessory parts may be used Observe in addition our General Delivery Conditions in their re spective current version The manufacturer is in no way liable for consecutive or second ary damages The warranty does not cover costs resulting from repairs con ducted by non authorized personnel Page 15 ditti rinding with passion ann a Y Ditting Maschinen AG Bramenstrasse 11 CH 8184 Bachenb lach Switzerland Tel 41 0 44 864 1800 Fax 41 0 44 864 1801 info dittingswiss ch www dittingswiss ch
11. e authorized person Bramenstrasse 11 CH 8184 Bachenb lach announce that the machine below product type commercial device for food processing machine description Espresso grinder machine typ KE 640 KE 640 Vario is in compliance with the conditions of the Directive of Machines 98 37 EG and with the main standards stipulated in the Directive concerning low tension 73 23 EWG and applies to the national laws that transpose it Issued in Bachenb lach 01 01 2008 Function of subscriber Managing Director Name of subscriber Nils Erichsen Signature MLC 14 Warranty Conditions 1 2 The warranty period is 1 year from the date of purchase The warranty covers all damages that can be attributed to infe rior materials or defective workmanship Corresponding grinders will be repaired or replaced free of charge with the exception of transport or freight charges Transport is the responsibility of the customer Therefore avoid damages with all returns by correct packing The grinder may only be opened for cleaning purposes in accor dance with the Operating Instructions This warranty does not cover damages which have occurred through Improper usage improper maintenance lack of ser vicing usage for purposes other than those intended incorrect installation incorrect voltage breakage natural wear or for rea sons beyond our sphere of influence In order to maintain the warranty only original spare p
12. e your integrat ed grinder from the KE 640 according to section 9 and install the AT integrated grinder into the KE 640 Return your old integrated grinder in the packaging 10 2 Grinding fineness adjustment with the grinder switched ON 10 2 1 Set the grinding fineness adjustment to the O detent 10 2 2 Close and remove the hopper 10 2 3 Remove the remaining beans from the filler shaft and vacuum out the grinder casing 10 2 4 Remove the sealing ring from the filler shaft 10 2 5 Loosen do not unscrew the adjusting screws with the size 2 5 Allen key Page 11 erinding with passion 10 2 6 Insert the adjusting handle Service Pack into the filler shaft The adjusting handle must engage in the slot in the filler shaft s trans verse bar 10 2 7 Set the double portion grinding time to 10 sec see section 6 2 2 10 2 8 Hold the adjusting handle firmly and push the port a filter into the port a filter mounting until the grinder switches on 10 2 9 Whilst the grinder is running turn the adjusting handle to the left until a slight ringing sound becomes audible Now turn the adjusting handle slightly to the right until no further ringing sound can be heard 10 2 10 Tighten the adjusting screws and remove the adjusting handle from the filler shaft It is important to ensure that no grinding disk rat tling can be heard at the finest setting Otherwise the service life of the discs will be significantly re
13. g the hopper the plug must be removed from the electrical outlet Never operate a grinder with a damaged electrical cord Inspect the grinder regularly for damages of the electrical cord plug etc Any required repairs may only be conducted by authorized service personnel For this reason please contact a customer service repair facility your dealer or us directly as the manufacturer Do not exceed the maximum allowable continuous grinding time of 20 min Afterwards allow the grinder to cool off before the next opera tion Do not make any modifications or alterations to the grinder The manu facturer assumes absolutely no liability for damages occurring from failure to observe these instructions Children can not appreciate the dangers that can exist in the operation of electrical grinders For this reason never leave children unsuper vised with electronic appliances such as this grinder Never submerge the grinder in water and never op erate with wet hands Page 1 erinding with passion 1 3 Usage Purpose Only whole roasted coffee beans may be ground in the KE 640 grinder Never use the grinder to grind other products or objects 1 4 Personnel Requirements No special requirements are necessary for the users of this grinder It is nevertheless a prerequisite that these operating instructions have been carefully read and understood and that all instructions provided are observed In addition safety conscious operation i
14. ns simultaneously until SAVE appears in the display 6 1 9 Adjust the grinding fineness by pulling the sliding detent out to the front turn the adjustment screw and turning the lid grinding fineness adjustment to the 2 mark Note that 0 is the finest setting and 10 is the coarsest setting for KE 640 Vario Rotation to the left fine Rotation to the right coarse FINE COARSE n K K ee n 6 1 10 Push your espresso machine s port a filter into the port a filter mounting item 13 until the grinding process is switched on 6 1 11 Now brew a test portion of espresso using your machine If the result is unsatisfactory repeat adjustment steps 6 1 6 to 6 1 8 again by varying the grinding time and grinding fineness Carry out this process until the best coffee results have been reached 6 2 Display Menue 6 2 1 Calling up the menu To call up the menu simultaneously press both buttons for approx 3 sec MENU appears in the display Scroll forward using the single but ton Scroll backwards using the double shot button Page 6 erinding with passion 6 2 2 Grinding time setting The grinding time range for single cups and double cups should be set between 0 1 and 10 sec Scroll to menu option STI time for single cups using the single button Use the Single shot timer item 9 to set the time Scroll to menu option DTI time for double cups using the single button Use the Double
15. pre fuse to its initial state or replace it Determine whether other devices are connected to this fuse In the case of other malfunctions or continued faults please contact your dealer or your authorised customer service centre Page 8 erinding with passion 8 Cleaning 8 1 Cleaning with GRINDZ Grinder Cleaner We recommend cleaning your espresso grinder once a week with our GRINDZ Grinder Cleaner Simply take the recommended dose 35 40g and drop it into an empty grinder hopper You can also use the cap of the jar for dosing A full cap will yield between 35 40 grams Turn the fineness adjustment to medium and operate as if grinding coffee beans Once complete we recommend passing twice as much coffee through to purge any residue 8 2 Cleaning the Grinder Placement Surface 8 2 1 Pull out the main plug 8 2 2 Tilt the grinder to one side and clean the area on which it stands and the bottom of its base 8 2 3 Both surfaces must be dry and free of oil and grease 8 2 4 Reposition the grinder 8 3 Cleaning the Grinder Casing Clean the outside of the casing from time to time using a damp cloth gt gt gt gt Observe the safety instructions under 1 2 8 4 Cleaning of the Grinding Mechanism AS gt 8 4 1 Close the hopper slide Remove the lock screw Item 2 Turn the base of the hopper to the right so that the bayonet releases the hopper Pull the hopper off upwards Be careful of sharp edges
16. requency cor respond to the information on the rating plate Page 4 erinding with passion 5 3 Basic Adjustment Once the device is ready to operate a grinding test should be carried out Basic adjustment to a moderately fine setting has been carried out in the factory using espresso beans The following markings have been made on the grinding mechanism interior Red mark 1 Basic adjustment 0 finest setting and minimum grinding disc spacing Red mark 2 Basic factory setting and also the position for in stalling and removing the lid in order to achieve the factory setting after positioning the lid gt gt gt Never rotate the grinding discs clockwise further then the red mark 1 as the grinding discs may other Red mark 1 Red mark 2 6 Operation Only use the KE 640 espresso grinder for whole roasted coffee beans gt gt gt gt Observe the safety instructions under 1 2 The max permissible operating cycle for 200 230V and 240V is 4 sec ON and 16 sec OFF i e three double shots per minute For 115V the max permissible operating cycle is 6 sec ON and 60 sec OFF Do not exceed the maximum allowable continuous grinding time of 20 min Afterwards allow the grinder to cool down before the next operation 6 1 Handling the Grinder Proper operation necessitates the steps described in the following 6 1 1 Actuate the main switch on the rear of the grinder 6 1 2 Open the hopper Pour whole roasted espresso
17. s expected 2 Technical Data Type Voltage Frequency Rotation 230 240V 50 Hz 110 115V 60 Hz Sound Emission Idle Operation Operation Pre Fuse Overload Circuit Breaker 230 240V 110 115V Max Permissible Running Time of the Grinder Dimensions in mm Weight Hopper Capacity KE 640 KE 640 Vario 200 230V 50 60Hz 240V 50Hz 100 115V 50 60Hz 1420 rpm 1640 rpm 55 dB 75 dB 16 A slow 4AT TAT S320 e g 4sec on 16 sec off 6 sec on 60 sec off W 240 D 320 H550 13 kg 28 7 lbs 1 5 kg 3 3 Ibs Please request technical data for other voltages and frequencies from the manufacturer or dealer only for 115V 60Hz Page 2 3 Description Main Components and Operating Elements The main components and operating elements are pictured in the il lustration Pos Pos Pos Pos Pos Pos Pos Pos Pos Pos Pos Pos Pos Pos Pos Pos Pos Pos Pos Pos Pos cont ooo RAOUN e Hopper with lid Lock screw for hopper Grinding fineness adjustment Lock screw for grind adjustment lid Grind adjustment lid Grinding fineness scale Display Single shot pre selection button Single shot timer Double shot pre selection button Double shot timer Spout Port a filter mounting Port a filter rest Fastening screw for Port a filter rest Start Stop switch Drip tray Hopper slide Main switch back Trip switch back Power cable back for Vario with
18. when cleaning There is a risk of injury Always pull out the main plug from the socket before carrying out maintenance or cleaning work on the grinder Do not let any foreign objects fall into the grinding mechanism 8 4 2 Remove beans out of the filler neck Remove the lock screw Item 4 and turn the grind adjustment lid to the right The sliding detent au tomatically engages in the coarsest setting Page 9 erinding with passion 9 Removal of the Integrated Grinder 8 4 4 Now you can carefully vacuum out the grinder housing AAN Observe the safety instructions under 1 2 Please do not change any grinder settings gt Do not let any foreign objects fall into the grinding 8 4 5 During the reassembly please make sure that the grind adjust mechanism ment lid is placed in a way that the 2 engaging cones fit into the tooth ing of the grinding disc support The screw ofthe grind adjustmenthas 94 Disconnect the main plug to be placed over the cut out in the intermediate ring Close and remove the hopper Place the grinder on its side and un screw the fastening screws Store the screws and washers in a safe 8 4 6 Lower the grind adjustment lid onto the intermediate ring andturn place Re position the grinder on its rubber feet Proceed as described to the left Fasten the lock screw Item 4 in 8 4 2 and 8 4 3 Always pull the main plug from the socket before carrying out maintenance or cleaning work on the device
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