WMF Presto User manual

coffee wakes up the world
Service manual
English
03.02.001
Coffee Machine
Series 1400 Edition 08.2007

2WMF presto Service manual edition 08/2007
1 Customer setup
2 Software service info
2.1 Software service info overview 5
2.2 Notes for service info 5
2.2.1 Where is specific maintenance information displayed?. . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2.2 Whereiscleaninginfodisplayed?.........................................5
3 Software machine data
3.1 Machine data overview 6
3.2 submenu counter 6
3.2.1 Maintenancecountersoverview...........................................6
Machine maintenance counters (always valid). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Mixermaintenancecounter ...............................................7
Grinder maintenance counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Choc portioner maintenance counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Topping portioner maintenance counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.3 Last maintenance date submenu 8
3.4 Temperature submenu 8
3.5 submenu cleaning 9
3.6 submenu error list 9
3.7 submenu portioner 9
3.8 submenu standards factoryservice/customer 10
Factoryservice/customer menu 1
Factoryservice/customer menu 2
Factoryservice/customer menu 3
Factoryservice/customer menu 4
Factoryservice/customer menu 5
3.9 submenu Key Operator 12
Key Operator mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Maintenance messages in Key Operator mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Customercheck-up.....................................................13
Summaryofmaintenancemessages:.......................................14
3.10 Additional setting options via laptop (KonfigTool) 15
Page software update
Page cleaning
Page maintenance dates
Page PIN
Page grounds container
4 Software components test
4.1 Component tests overview 16
4.2 submenu brewer motor 16
4.3 submenu portioner 16
4.4 Valves 17
4.5 submenu SBHWB group (steam boiler and hot water boiler) 17
4.6 submenu control elements 17
4.7 Current supply 17
4.8 Backup battery 18
Table of contents

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WMF presto Service manual edition 08/2007
4.9 Display illumination 18
4.10 Grounds container 18
4.11 Fan18
4.12 Power status 18
4.13 submenu choc dispenser / topping 18
5 Software service routines
5.1 Service routines overview 19
5.2 First Run up 19
5.3 Idling current grinder 20
5.4 Filling the boiler 20
5.5 Filling the steam boiler 20
5.6 Exchanging control battery at F 157 21
5.7 Depressurization 21
5.8 Descaling 21
5.9 Filter replacement 21
5.10 Filter rinse 21
6. Beverage data
6.1 Beverage data overview 22
Overview of beverage data main menue.g. cappuccino. . . . . . . . . . . . . . . . . . . . . . . . . 22
Overview of beverage data main menue.g. hot water . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.2 Additional laptop setting options (KonfigTool) 22
7 Error messages and events
7.1 Display messages 23
7.2 Error list 24
7.3 Reasons for reset 28
7.4 Standby causes 28
8 Mechanical settings
8.1 Grinder setting (coarse - fine) 29
8.2 Setting pressure reducer 30
9 Maintenance schedules
9.1 Customer check-up 31
Customer check-up routine
9.2 Service-maintenance 31
9.2.1 Maintenance sets (Service level 2)for service-maintenance 2/30.000 . . . . . . . . . . . 31
9.2.2 Service/maintenance routine 2/30.000 (Service level 2) . . . . . . . . . . . . . . . . . . . . . . . 33
Machine with fresh milk, withoutchoc/topping, water tank model
Additional work for machines with choc/topping
Additional work for worn grinding-disks
9.3 Revision 34
9.3.1 Maintenance sets for revision 6/90.000(Service level 3). . . . . . . . . . . . . . . . . . . . . . . 34
9.3.2 Revisionroutine ......................................................37
9.3.3 Coffee machine revision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Table of contents

4WMF presto Service manual edition 08/2007
WMF presto Service Manual
1 Customer setup
Condition
Machine is reset to customer setup
Display-guided setup according to brief instructions.
Check correct setting of water hardness or descaling
filter and range of descaling filter.
If necessary update software to latest version (laptop
program KonfigTool required)
Adjust boiler temperature and beverages according to
customer specifications
(Customer Settings recipes/buttons, service program
beverage data or KonfigTool beverage data)
Enter service point (KonfigTool required)
Store data in service memory (service program
machine data standards customerService)
Backup machine data in laptop memory
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 by his signature.
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Reset automatic customer setup.
See general information
in the training manual
Part 5 Service
Reset automatic customer setup.
See general information
in the training manual
Part 5 Service

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WMF presto Service manual edition 08/2007
WMF presto Service Manual
2 Software service info
2.1 Software service info overview
2.2 Notes for service info
2.2.1 Where is specific maintenance
information displayed?
Setup start date service
Date of next maintenance service
Next descaling care info descaling
Next filter change care Info filter
Additional maintenance counters under machine data
counters brewer
2.2.2 Where is cleaning info displayed?
Time elapsed since last cleaning care info cleaning
(How long since last cleaning.)
Last 100 cleaning operations with date and time care
report
•
•
•
•
•
•
•
Service infoService info

6WMF presto Service manual edition 08/2007
WMF presto Service Manual
3 Software machine data
3.1 Machine data overview
3.2 submenu counter
3.2.1 Maintenance counters overview
Up to software version 3.1.1:
The limits of the counters cannot be set.
From software version 3.2.1:
The limit for customer check-up can be set to 15,000
brewings by KonfigTool.
Machine maintenance counters (always valid)
Counters relevant to the maintenance information in the
brewer menu.
Customer check-up (10,000 brewings)
Maintenance service (30,000 brewings)
Revision (90,000 brewings)
Machine dataMachine data
Reset by tapping on the
respective line
Reset by tapping on the
respective line

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WMF presto Service manual edition 08/2007
WMF presto Service Manual
Mixer maintenance counter
Counter relevant to the mixer maintenance information in
mixer menu (maintenance message only in Key Operator
mode).
Mixer maintenance (18,000 cycles)
1 choc cycle counts 3
1 topping cycle counts 1
Grinder maintenance counter
Counter relevant to grinder maintenance in portioner
menu (maintenance message only displayed in Key
Operator mode).
Control display for grinder disk
For the maintenance report
Choc portioner maintenance counter
Counter relevant to choc portioner maintenance in
portioner menu (maintenance message is only displayed in
Key Operator mode).
Choc maintenance (36,000 dosages)
Topping portioner maintenance counter
Counter relevant to topping portioner maintenance in
portioner menu (maintenance message is only displayed in
Key Operator mode).
Topping portioner maintenance
(108,000 dosages).
With twin topping, the portioner and the motor should be
replaced as soon as the first counter for choc or topping
reaches the limit.
Switching off service
messages via KonfigTool
page service dates (from
version 03.02.01)
Switching off service
messages via KonfigTool
page service dates (from
version 03.02.01)
Topping contains no sugar. Thus
the portioner contains four times
more dosages than choc.
Topping contains no sugar. Thus
the portioner contains four times
more dosages than choc.

8WMF presto Service manual edition 08/2007
WMF presto Service Manual
3.3 Last maintenance date submenu
The service date does not lead to a maintenance message.
Enter maintenance date
Set interval for customer check-up
After entering service date the following requests are
displayed:
3.4 Temperature submenu
Setting range 85- 100°C, default 96° C
Setting range 110 to 130° C, default 127° C
Changing the steam boiler temperature leads to great
changes in the dosage of milk and milk foam. Changes are
not recommended.
See chapter Error list See chapter Error list

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WMF presto Service manual edition 08/2007
WMF presto Service Manual
3.5 submenu cleaning
Number of cleanings performed and to be performed
Number of mixer rinsings performed
Number of milksystem cleanings performed
Time until request for cleaning/forced cleaning
Hardware for foamer rinsing available?
Delay in foamer rinsing after last beverage dispensing
Switch warning signal before foamer rinsing on/off
3.6 submenu error list
Delete individual errors: tap on the line
Delete complete error memory: tap C
3.7 submenu portioner
Example right grinder
Idling current (determined via service routine)´´
Maximum dosage amount in 1/10 seconds
Only the maximum dosage amount can be set for the
powder portioner (default 150). A detection of the idling
current is not possible.
Malfunction and events list see
chapter Error list
Malfunction and events list see
chapter Error list

10 WMF presto Service manual edition 08/2007
WMF presto Service Manual
3.8 submenu standards
factoryservice/customer
After tapping “self-detect” is first run automatically. All
components operating on 24 V or 30 V are automatically
addressed. The components are automatically identified.
During self-detect the grounds container must be in
place, the adjustable screen closed or the 24/30 V circuits
of the components are interrupted.
Factoryservice/customer menu 1
Configuration of grinders
Configuration of powder portioner
Steam boiler existent
Configuration of grinders is registered automatically (see
chapter portioner).
Configuration of powder portioner is registered
automatically (see chapter portioner).
Steam boiler is registered automatically by its intake valve
(See chapter boiler water system).
Factoryservice/customer menu 2
Steam dispensing valve existent
Fresh milk valve (cappuccino valve) existent
Aquaflex
Steam dispensing valve is automatically detected
(See chapter boiler water system)
Milk is automatically detected
(See chapter boiler water system)
Aquaflex The machine can be operated as fresh water or
water tank version by the customer. This option can only
be set if water tank was detected as “no”.
See chapter engineering, portioner
in the training manual
See chapter engineering,
boiler/steam boiler
in the training manual
Part 2 Engineering
See chapter engineering, portioner
in the training manual
See chapter engineering,
boiler/steam boiler
in the training manual
Part 2 Engineering
See chapter Boiler water systems
in the training manual
Part 2 Engineering
See chapter Boiler water systems
in the training manual
Part 2 Engineering