WMF presto! 1400 Service Manual

coffee wakes up the world

Service manual

English

03.02.001

Coffee Machine

Series 1400 Edition 08.2007

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WMF 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 Where is cleaning info displayed? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3 Software machine data

3.1 Machine data overview 6

3.2 submenu counter 6

3.2.1 Maintenance counters overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

M

achine maintenance counters (always valid). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

M

ixer maintenance counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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s

ervice/customer menu 1

Factoryservice/customer menu 2
Factoryservice/customer menu 3
Factorys

ervice/customer menu 4

Factorys

ervice/customer menu 5

3.9 submenu Key Operator 12

Key Operator mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Maintenance messages in Key Operator mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Customer check-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

S

ummary of maintenance messages: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3

.10 Additional setting options via laptop (KonfigTool) 15

Page software update
Page cleaning
Page maintenance dates
P

age PIN

P

age 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 Fan 18

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 Revision routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

9.3.3 Coffee machine revision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Table of contents

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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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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 info Service info

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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.

F

rom 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 data Machine data

Reset by tapping on the
respective line

Reset by tapping on the
respective line

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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.

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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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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

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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

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WMF presto Service Manual

Factoryservice/customer menu 3

Must be set to “no” (not applicable for version >03.02.01)
Water tank existent?
Drip drain existent? (changes cleaning and descaling )

Table water may not be set, only existent in software
versions 3.1.1 and 3.2.1 (was not further pursued and
developed)

Water tank is automatically detected by nonexistent
intake valve (no = water tank machine)
(See chapter boiler water system)

Drain of drip tray must be correctly adjusted manually.

Factoryservice/customer menu 4

Beverages configured on 2 levels
Manual insert for coffee and cleaning or cleaning only
Accounting via accessory device via MDB or serial connection

It only makes sense to adjust the 2. level if milk is
available.

T

ablet insert (“Handrein”) must be set manually for more

t

han 2 portioners, for up to two portioners manual insert
coffee (HandKaff)
Accounting must be set manually
(MDB or serial connection)

Factoryservice/customer menu 5

Operating mode grounds container: external = grounds disposal
through counter

Preselect-button for decaf brewing instead of steam button
(

from 03.02.01)

Accept

Grounds disposal through counter must be correctly set
manually. (default = internal)
Decaf must be set manually.
Safety queries follow acceptance.

See chapter Boiler water systems
See chapter dripping-pan
in the training manual
Part 2 Engineering

See chapter Boiler water systems
See chapter dripping-pan
in the training manual
Part 2 Engineering

See user manual and additional
user manual for accounting.

See user manual and additional
user manual for accounting.

See user manual

See user manual

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WMF presto Service Manual

Safety queries upon acceptance of the variations:

The counters should only be reset in exceptional cases.
If a portioner was added or set to “decaf” the factory
default settings for the beverages should be used.

3.9 submenu Key Operator

Key Operator mode

If the Key Operator mode has been activated in machine
data by the factory or the authorized maintenance
point the machine automatically reports the individual
components to be prophylactically exchanged due to wear.

The Key Operator also has access to maintenance routines,
component tests and the counters in the machine data.
This access is protected by a customer check-up PIN.

If Key Operator is activated only the cleaning cycles are
available to the customer.
Customer check-up, filter change and filter rinsing are
available in the “service routines” menu.

Key Operator: YES

Only cleaning procedures are
available in the care menu

Key Operator: YES

Only cleaning procedures are
available in the care menu

Additional Customer service PIN
with Key Operator = YES

Additional Customer service PIN
with Key Operator = YES