WMF Series 8400 bistro User manual

coffee wakes up the world
Service manual
Model Series 8400 08.2011
Coffee Machine English

1 Customer setup 5
1.1 Setup program 5
1.2 Checklist for setup 6
2 Software service info 7
Serviceinfooverview ....................................................7
2.1 Where are the relevant service data displayed? 7
3 Machine data software 7
Machinedataoverview...................................................7
3.1 Counters submenu 7
3.1.1 Maintenancecountersoverview...........................................8
3.2 Service date submenu 8
3.3 Cleaning submenu 9
3.4 Error list submenu 10
3.5 Portioner submenu 10
3.6 Ground container submenu 10
3.7 Descaling filter submenu 10
3.8 Access control submenu 11
KeyOperator ..........................................................11
Descaling filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Customercheck-up.....................................................12
3.9 Defaults Subemenu 12
3.9.1 ServiceBeverages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.9.2 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
3.10 Additional setting possibilities on the laptop (KonfigTool) 18
Software update page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Care page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Servicedatespage......................................................18
PINpage..............................................................18
4 Software component test 19
Componenttestoverview................................................19
4.1 Brewer motor submenu 19
4.2 Portioner submenu 19
4.3 Valves submenu 20
4.4 Milk unit submenu 20
4.5 Steam boiler submenu 20
2Service manual WMF bistro! Edition 08/2011
WMF bistro! Service manual

4.6 Choc dispenser submenu 21
4.7 External pressure pump 21
4.8 Espresso pump 21
4.9 Ground container 21
4.10 Backup battery 21
4.11 Power supply submenu 21
4.12 Fan21
4.13 Display illumination 22
4.14 Control elements submenu 22
5 Service routines software 22
Service routines overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1 First run up 22
5.2 Brewer calibration 23
5.3 Portioner calibration 23
5.4 Replacing control unit backup battery after F157 23
5.5 Descaling 23
6 Setting the beverages 24
Settingbeveragesoverview ..............................................24
6.1 Cup volumes menu 24
6.2 Changing recipes menu 24
e.g.,lattemacchiato ....................................................24
e.g.,milkchoc .........................................................25
Decaf: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 (standard capacity) 37
9.1 Customer check-up 37
9.1.1 Standard machine: Customer check-up kit 33.2809.6000 . . . . . . . . . . . . . . . . . . . . . 37
9.1.2 Milkpower machine: Customer check-up kit 33.2809.6100 . . . . . . . . . . . . . . . . . . . 38
Customer check-up routine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
9.2 Service maintenance 1 40
9.2.1 Standard machine: maintenance set 33.2809.5000 . . . . . . . . . . . . . . . . . . . . . . . . . . 40
9.2.2 Milkpower configuration 33.2809.5100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
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Service manual WMF bistro! Edition 08/2011
WMF bistro! Service manual

9.2.3 Additional maintenance set ECF: 33.2802.9000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
9.2.4 Additional maintenance set choc/topping 33.2828.6100 . . . . . . . . . . . . . . . . . . . . . . 43
9.2.5 Service/Maintenance routine 1/30.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Additional tasks for machines with choc/topping configuration . . . . . . . . . . . . . . . . . 43
Additional tasks 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
AdditionaltasksonmachineswithECF.....................................46
Additional Tasks Worn Grinder Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
9.4 Revision 46
4Service manual WMF bistro! Edition 08/2011
WMF bistro! Service manual

1 Customer setup
After setup, the service technician must note the
following statement in the assembly invoice:
“At the end of operation, had to be turned off at source.
The user manual and accessories were given to the
customer.”
The customer must acknowledge this with his signature.
1.1 Setup program
Condition:
Machine is reset to customer setup and connected to the
power supply.
Run display-guided setup.
This sets the following:
• Language
• Descaling filter yes/no
• Descaling filter 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  Defaults  CustomerService
Backup machine data on laptop
Checklist to the individual steps
see chapter 1.2
Detailed description see Service
chapter in the Training Manual
part 5 service.
Additional settings for recipes
after the service PIN is entered
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Service manual WMF bistro! Edition 08/2011
WMF bistro! Service manual