WMF Series 8400 bistro Service Manual Download Page 39 | Manualshive

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Bean hopper:
13

Foil bean hopper

33.2813.8000

2

Manual:
14

Manual customer check-up

33.2384.3000

1

Customer check-up routine

Exchange parts combi spout

Exchange and grease o-ring steam nozzle

Exchange hot water nozzle

Exchange foil bean hopper

Exchange optional choc parts

Open front of machine

Visually inspect brewing-unit, clean brewing chamber

Check beverage setting according to specifications
or according to customer wish

39

Service manual WMF bistro! Edition 08/2011

WMF bistro! Service manual

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Summary of Contents for Series 8400 bistro

Page 1: ...coffee wakes up the world Service manual Model Series 8400 08 2011 Coffee Machine English ...

Page 2: ...Factory Beverages 12 3 9 3 Service Customer 13 3 9 4 Customer Service 13 3 9 5 Factory Service Customer 13 Factory Menu Service Customer menu 1 13 Factory Menu Service Customer menu 2 14 Factory Service Customer menu 3 14 Factory Service Customer menu 4 14 Factory Service Customer menu 5 15 Factory Service Customer menu 6 15 Factory Service Customer menu 7 16 Table of machine specific settings 17 ...

Page 3: ...af 25 S M L 25 6 3 Addition sequence menu 25 6 4 Button allocation menu 26 6 5 Testing menu 26 6 6 Extensions menu 26 6 7 Settings menu 27 7 Error event messages 28 7 1 Display messages 28 7 2 Error list events 29 7 3 Reset reasons 34 7 4 Standby reasons 35 8 Mechanical settings 36 8 1 Setting basic grinder clearance 36 8 2 Adjusting pressure reducer 36 9 Maintenance concepts 30 000 brewings stand...

Page 4: ...sks for ECF configuration 44 Additional tasks worn grinder disks 44 9 3 Service maintenance 2 44 9 3 1 Standard machine and Steampower configuration Maintenance set 33 2809 4000 44 9 3 2 Service Maintenance routine 2 Years 45 Additional tasks on machines with choc topping 46 Additional tasks on machines with ECF 46 Additional Tasks Worn Grinder Disk 46 9 4 Revision 46 4 Service manual WMF bistro E...

Page 5: ...range Descaling filter replacement mode customer or service Brewer calibration Portioner calibration Update software to current status only possible with laptop program KonfigTool Set beverages according to customer specifications Customer setting recipes buttons or by KonfigTool Beverage data Enter service point only possible with KonfigTool Save data wDefaults Customer Service Backup machine dat...

Page 6: ...achine Set button functions and beverages according to customer specifications Settings or KonfigTool beverage data Set cup volumes Setting Tip If the filling amount setting is too small for large vessels use the pot recipe Set sequence of additions according to customer specifications recipes and buttons additions Enter service point only possible with KonfigTool Save data in service memory Servi...

Page 7: ... filter change Care Info descaling filter Next maintenance Care Info maintenance Last cleanings with date and time Care Journal Time since last cleaning Care Info cleaning 3 Machine data software Machine data overview 3 1 Counters submenu Service Info Machine Data 7 Service manual WMF bistro Edition 08 2011 WMF bistro Service manual ...

Page 8: ...ce 60 000 cycles Special notices see machine data Expert and machine data Key Operator 3 2 Service date submenu The service date does not lead to a maintenance message Subsequently the following queries appear Reset by taping on the appropriate line Switching off the maintenance messages with KonfigTool service dates page Switching off customer check up machine data Access control 8 Service manual...

Page 9: ...to current date 6 months Service maintenance 1 is set to current date 1 year Service maintenance 2 is set to current date 2 years Revision is set to current date 5 years 3 3 Cleaning submenu Number of cleanings done and to be done Number of mixer rinsings done Number of milk system rinsings Plug Clean cleanings done Time until cleaning request and forced cleaning Delay of foamer rinsing after last...

Page 10: ...for ditting disks 3 6 Ground container submenu in g in 50100 no full message only with grounds counter in g in the example the message for emptying appears at 630 g Current filling level Set grounds counter via machine data wFactory Service Customer or with KonfigTool 3 7 Descaling filter submenu As in information menu customer or in service info This resets the counter and the change message Filt...

Page 11: ...ess to the service routines the component test as well as to the counters total number of brewings and operating time to the maintenance counters restricted to customer check up and the descaling filter in the machine data This access is protected by a special PIN Key Operator The maintenance messages customer check up service maintenance 1 service maintenance 2 and revision are displayed They can...

Page 12: ...oamer and mixer cup with the respective nozzles and hoses 3 9 Defaults Subemenu 3 9 1 Service Beverages The beverage settings saved in the service memory are loaded back into the customer memory and are then active again 3 9 2 Factory Beverages The beverage settings stored in the software are loaded into the customer memory The factory settings for button functions and beverage settings are active...

Page 13: ...elf test and automatically detects the 24 V components The subsequent menus are pre configured accordingly Factory Menu Service Customer menu 1 Heater power Low water pressure Mobile station Heater capacity is set manually This affects boiler supply control and the allowed heating time Low water pressure is set manually The pump sucks in the supply water and also fills the boiler Mobile station is...

Page 14: ... setting of recipes that are brewed without pump Powder dosing only choc possible is detected automatically Steampower is set manually Factory Service Customer menu 4 1 or 2 types of milk Standard or 2 hose solution Milkpower existent Milk 2 types are automatically detected at the milk switching valve Effect a preselect button for the 2nd milk type above the hot water button Milk hose is set manua...

Page 15: ...f service Illumination existent 2 level is set manually The illumination of the selector switch on the control panel is deactivated the selection option switched off All buttons on the 2nd level are blocked Self service operation is set manually This means that the warm rinsing and barista fields do not exist on the ready display the beverage preselection is deactivated Illumination is set manuall...

Page 16: ...s under the adopted variation Standard beverages must be loaded for the following changes Grinders coffee decaf S M L ECF powder dosage Steampower and milk as these settings affect the Button allocations Reset the counters in exceptional cases only See Machine specific settings table on next page 16 Service manual WMF bistro Edition 08 2011 WMF bistro Service manual ...

Page 17: ...de Foamer rinsing delay Foamer rinsing alarm Foamer rinsing existent Rinsing interval 0 0 0 0 26 50 30 sec Yes Yes with Plug Clean 2 without 3 Portioner Empty message max dosage Alignment data Corrected value Limit grinder disks Software Grinder 180 Choc 500 100 100 100 50000 Ground container Mode Capacity Contents until message Fill level counter internal 700 70 0 Grinder correction All Data 100 ...

Page 18: ...ning Switch on forced choc cleaning Service dates page Switch display of maintenance messages on or off Set limits for maintenance Set date for maintenance Enter contact info of service technician with phone number PIN page Block menu items Block PIN levels Set additional service PIN Set accounting unit statistic on undeletable 18 Service manual WMF bistro Edition 08 2011 WMF bistro Service manual...

Page 19: ...ion is displayed during running Pulses current number of pulses is displayed must vary during brewer run 4 2 Portioner submenu Test right grinder Test left grinder Test manual insert As the brewer accepts the coffee powder during the test and discharges it after the test the ground container must be in place Service Routines 19 Service manual WMF bistro Edition 08 2011 WMF bistro Service manual ...

Page 20: ...afterwards 4 4 Milk unit submenu Additional information in the tests Condition of water pressure switch Condition of steam pressure switch Maximum current consumption of the valve s 4 5 Steam boiler submenu Additional information in the tests Steam pressure Ok boiler pressure reached Electrodes Indicates if the LW and PW electrodes have contact or not During the PW LW electrode test the current ca...

Page 21: ...lly depressurized via the brewing valve Thus the test can also be run with the machine at operating temperature Brewer must be able to run Setpoint 7 5 0 5 bar Pressure is displayed with the gauge that is attached to the pump adapter 4 9 Ground container Indicates if the micro switch switches the 24 V 4 10 Backup battery During the test the battery is short circuited which shortens battery life 4 ...

Page 22: ... Reset reasons chapter The mandatory cleaning operation is reset as if a cleaning cycle had just been performed A cleaning cycle currently in progress can be interrupted If a cleaning cycle was interrupted appropriate measures must be taken to ensure that no residues of cleaning agents remain in the machine The cleaning cycle should therefore be run again The reset in the setting menu is treated i...

Page 23: ...ctly set in grams in the settings menu The alignment value also affects the software technical empty message After determining the alignment value the grinder correction is reset to 100 5 4 Replacing control unit backup battery after F157 When error message F 157 occurs the battery must be replaced Follow the instructions on the display Save all data in the service memory Disconnect the machine fr...

Page 24: ...eck beverage sequentially Extended settings possible after entering PIN The expert options can be set after entering the service PIN 6 1 Cup volumes menu Change filling amounts by and Test beverage by Store by 6 2 Changing recipes menu e g latte macchiato Change amount of coffee powder Set amount of water Set amount of foam Set amount of milk Set amount of brewing water Set brewing quality 24 Serv...

Page 25: ...ll 3 beverage sizes The sequence of additions cannot be changed The beverage to be adjusted is selected as usual Press 2x optional Press S M or L Press beverage button 6 3 Addition sequence menu Here the sequence of addition of the ingredients of the beverage may be changed The beverage must have at least 2 ingredients e g coffee and foam Set starting time for foam or milk Set starting time for co...

Page 26: ... beverage button to be changed Select desired recipe Select desired grinder For recipes with milk foam hot water or steam the dispensing option can subsequently be changed Select dispensing option 6 5 Testing menu Test ground coffee via ground container by Dispense the ingredients of a beverage in sequence 6 6 Extensions menu Time of dry pressing in 1 10 sec Pre infusion time in 1 10 sec Button sp...

Page 27: ...options dry pressing pause Pre infusion Foam quality Press value Reset Time date Language Contrast Filter Softener Warm up rinsing SB operation Foamer rinsing Rinsing interval Operating options Warm up pad Barista pad Preselection Shift button ON OFF button Illumination 27 Service manual WMF bistro Edition 08 2011 WMF bistro Service manual ...

Page 28: ...ontact Micro switch ground container without contact During automatic after first heating or manual warm rinsing by warm rinsing field If ground container was removed for more than 5 seconds Cleaning messages In machines without drain connection and after cleaning with switch off at the next starting of the machine Care and maintenance messages After 15 000 brewings or 1 2 year default switched of...

Page 29: ...r only possible with light barrier Light barrier reports full but brewer detects too little coffee powder 34 F34 Motor blocked in right grinder only possible with light barrier Light barrier reports full but brewer detects too little coffee powder F80 Brewing time limit If brewing takes more than 30 sec 120 F120 No node existent Accounting module is not detected 9037 121 F121 Dialogue malfunction ...

Page 30: ...consumption too high when valve is addressed Solenoid or wire defect short circuit 138 F138 Current malfunction steam boiler mixer valve current consumption too high when valve is addressed Solenoid or wire defect short circuit 140 F140 Current malfunction steam dispensing valve 1 current consumption too high when valve is addressed Solenoid or wire defect short circuit 141 F141 Current malfunctio...

Page 31: ...m flow not available 1 pulse per second measured over 5 s A forced cleaning follows 165 F165 DFM Malfunction in choc dosage Minimum flow not available 1 pulse per second measured for 5s 165 170 Steampower sensor damaged Resistance at adressing entrance of sensor tends towards zero F170 171 Steampower overtemperature or sensor short Resistance at sensor entrance infinite 186 F186 In steam boiler su...

Page 32: ...lfunction PW contact but no LW contact Check evaluation settings 9248 9256 Autodetect malfunction right grinder not detected 9256 9257 Autodetect malfunction brewing valve not detected 9257 9258 Autodectect malfunction Valve not detected 9258 9259 Autodetect malfunction depressurizing valve not detected 9259 9260 Autodetect malfunction Fan not detected 9269 9261 Autodetect malfunction Hot water va...

Page 33: ... but no cappuccino valve detected orviceversa 9265 9268 Mains adapter reports mains voltage too low External mains voltage 9268 9275 Reset triggered by customer 9275 9288 MDB communication error coin checker 9288 9289 MDB communication error card reader 9289 9290 MDB communication error banknote reader 9290 9291 24 V are switched off and on again reset for 24 V equipment 9291 33 Service manual WMF...

Page 34: ...opers only 15 node_event rx queue overrun HP for developers only 16 node_event rx queue overrun LP for developers only 17 node_event CAN controller busoff for developers only 18 node_event tx queue overrun HP for developers only 19 node_event tx queue overrun LP for developers only 20 node_event node stopped for developers only 21 node_event node guarding fails for developers only 22 Node none exi...

Page 35: ... switchoff 50 Reset via machine cleaning 51 Reset via choc cleaning 52 Reset via milk cleaning 53 Reset via boot access 54 Reset unknown 55 Reset after descaling 56 Reset after setup 57 Reset after filter rinse 7 4 Standby reasons No Reason Comment 0 Not used 1 RESET 2 PWS OFF Switch OFF ON 3 Service operator Enter or quit 4 Unknown Cleaning with switchoff 5 Not used 35 Service manual WMF bistro E...

Page 36: ...3 9462 6000 Grinding degree is 1 degree finer than standard 8 2 Adjusting pressure reducer Turn off external water tap Open stopcock on water filter depressurize and close cock again Open front panel remove front protective cover Remove blind nipple from the plug in connector of the espresso pump Connect adjusting tool 33 2730 0000 to the plug in connection of the espresso pump Hold loose end into...

Page 37: ... 1 Service maintenance 1 Service maintenance 1 Service maintenance 1 and 2 Service maintenance 1 Service maintenance 1 Service maintenance 1 Service maintenance 1 and 2 3 240 000 figure maintenance concepts for the different brewing rates per year 9 1 Customer check up Install customer check up kit 0 5 15 000 for customers with a visiting interval of 6 months e g for machines with a service contra...

Page 38: ...O Ring 8x2 mm 33 1580 3000 1 2 Milk foamer cpl 33 2259 8100 1 3 Milk hose 100 cm 00 0048 4948 100cm 4 Milk nozzle 1 9 mm red 33 2410 1000 1 Milk nozzle 2 0 mm blue 33 1384 3100 1 Milk nozzle 2 1 mm pink 33 2410 2000 1 Milk nozzle 2 2 mm violett 33 2410 3000 1 Milk nozzle 3 0 mm beige 33 2046 0100 1 5 Plug Clean Adapter 33 2427 5000 1 Parts Choc 6 Mixer spout 33 2296 2000 1 7 Angle piece 33 2376 80...

Page 39: ...ut Exchange and grease o ring steam nozzle Exchange hot water nozzle Exchange foil bean hopper Exchange optional choc parts Open front of machine Visually inspect brewing unit clean brewing chamber Check beverage setting according to specifications or according to customer wish 39 Service manual WMF bistro Edition 08 2011 WMF bistro Service manual ...

Page 40: ...317 8000 1 Milk nozzle 1 4 mm white 33 9516 9000 1 Milk nozzle 1 5 mm brown 33 2031 5100 1 Milk nozzle 3 0 mm beige 33 2046 0100 1 5 Plug Clean Adapter 33 2427 5000 1 Parts Choc 6 Mixer spout 33 2296 2000 1 7 Angle piece 33 2376 8000 1 8 O ring 33 2381 7000 1 9 Silicon hose 00 0048 0064 25cm Steam nozzle 10 O ring 5 28 x 1 78 mm 33 0398 4000 1 Hot water spout 11 Discharge nozzle 33 0336 7000 1 Gre...

Page 41: ...with ventilation 33 2733 1000 should also be exchanged Nr Description Order number Amount Combi spout 1 O ring 8x2 mm 33 1580 3000 1 2 Milk foamer cpl 33 2259 8100 1 3 Milk hose 100 cm 00 0048 4948 100cm 4 Milk nozzle 1 9 mm red 33 2410 1000 1 Milk nozzle 2 0 mm blue 33 1384 3100 1 Milk nozzle 2 1 mm pink 33 2410 2000 1 Milk nozzle 2 2 mm violett 33 2410 3000 1 Milk nozzle 3 0 mm beige 33 2046 010...

Page 42: ...ing sieve 33 1473 9000 1 Coffee 22 Y piece 33 2266 6000 1 Brewing valve 23 Plunger Brewing valve 33 1555 7000 1 24 Brewer valve gasket 33 2101 2000 1 25 Plug in connector backside 33 1445 7000 1 Steam nozzle 26 Steam nozzle cpl 33 2824 6100 1 9 2 3 Additional maintenance set ECF 33 2802 9000 Nr Description Order number Amount Grooved valve 1 Plunger grooved valve 33 2236 6000 1 2 Supply grooved va...

Page 43: ...se Paraliq GA 343 00 0048 7702 Preparing the machine Open coffee machine Check safety valve Descale flow heater Perform brewer maintenance If necessary exchange flange disc of boiler Clean electrodes Perform maintenance brewing valve Change O ring of steam dispensing nozzle Perform maintenance of milk system Connect milk hose Exchange coffee delivery Close coffee machine Restarting Settings Additi...

Page 44: ...Description Order number Amount Valves 1 Plug in connector backside 33 1445 7000 1 2 Y piece foamer rinsing cappuccino valve 33 2237 4000 1 3 Hot water dispensing valve venting valve 33 2500 3000 2 4 Steam dispensing valve cappuccino valve 33 2273 7000 2 Boiler 5 O ring boiler gasket 33 1267 0000 1 6 O ring 33 0393 5000 1 7 Flange disc compl 33 2733 1000 1 CPU 8 Battery 33 2263 3000 1 Fan 9 Fan 33...

Page 45: ...0 0048 7705 Grease Paraliq GA 343 00 0048 7702 Torque wrench with allen key 8 Wire cutter Flat nose pliers Preparing the machine Open coffee machine Check safety valve Descale flow heater Perform brewer maintenance Open clean and if necessary descale boiler Clean electrodes Close boiler Change flange disc of boiler Perform brewing valve maintenance Change plastic valves and their plug in connectio...

Page 46: ...tings Additional tasks on machines with ECF Perform maintenance on grooved valve Change plug in connections of grooved valve Additional Tasks Worn Grinder Disk Change grinder disks Settings 9 4 Revision Status August 2007 no factory defined revision is prescribed 46 Service manual WMF bistro Edition 08 2011 WMF bistro Service manual ...

Page 47: ...47 Service manual WMF bistro Edition 08 2011 WMF bistro Service manual ...

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