WMF Presto Manuale utente

coffee wakes up the world

Service Manual

English

Coffee Machine

Series 1400 Edition 11.2011

WMF presto Service manual edition 11/2011

1 Customer setup

1.1 Setup program 4

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

3.3 Submenu Service date 6

3.4 Temperature submenu 7

3.5 Submenu cleaning 8

3.6 Submenu error list 8

3.7 Submenu portioner 8

3.8 Submenu milk 8

3.9 Submenu access control 8

Maintenance messages in Key Operator mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Customer check-up ......................................................9

3.10 Submenu standards factoryservice/customer 9

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

Factoryservice/customer menu 6

3.11 Additional setting options via laptop (KonﬁgTool) 12

Page software update

Page cleaning

Page maintenance dates

Page PIN

Page grounds container

4 Software components test

4.1 Component tests overview 14

4.2 Submenu brewer motor 14

4.3 Submenu portioner 14

4.4 Valves 15

4.5 Submenu SBHWB group (steam boiler and hot water boiler) 15

4.6 Submenu control elements 15

4.7 Current supply 15

4.8 Backup battery 16

4.9 Display illumination 16

4.10 Grounds container 16

4.11 Fan16

4.12 Power status 16

4.13 Submenu choc dispenser / topping 16

Table of contents

WMF presto Service manual edition 11/2011

5 Software service routines

5.1 Service routines overview 17

5.2 First Run up 17

5.3 Idling current grinder 18

5.4 Filling the boiler 18

5.5 Filling the steam boiler 18

5.6 Exchanging control battery at F 157 19

5.7 Check pressure reducer 19

5.8 Depressurization 19

5.9 Descaling 19

5.10 Filter replacement 19

6. Beverage data

6.1 Beverage data overview 20

Overview of beverage data main menu

e.g. cappuccino ........................................................20

Overview of beverage data main menu

e.g. hot water ..........................................................20

6.2 Additional laptop setting options (KonﬁgTool) 20

7 Error messages and events

7.1 Display messages 21

7.2 Error list 22

7.3 Reasons for reset 26

7.4 Standby causes 26

8 Mechanical settings

8.1 Grinder setting (coarse - ﬁne) 27

8.2 Setting pressure reducer 28

9 Milk nozzles

10 Maintenance concepts 15.000 brewings

10.1 Customer check-up 30

Customer check-up routine

10.2 Service-maintenance 31

10.2.1 Maintenance sets for service-maintenance 2/30.000 (Service level 2) ...........31

10.2.2 Service/maintenance routine 2/30.000

(Service level 2) .............................................................34

10.3 Safe&are (Revision) 34

Table of contents

WMF presto Service manual edition 11/2011

WMF presto Service Manual

1 Customer setup

After setup, the service technician must note the

following statement in the assembly invoice:

“At the end of operation, machine has 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.

The following settings are made:

• Language

• Descaling ﬁlter yes/no

• Descaling ﬁlter range

• Descaling ﬁlter replacement mode

(customer or service)

• 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 conﬁguration)

Enter service point

(only possible with “KonﬁgTool”).

Save data  Defaults  CustomerService

Backup machine data on laptop

Additional settings for recipes

after the service PIN is entered

WMF presto Service manual edition 11/2011

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 info service

• Date of next maintenance info service

• Next descaling care info descaling

• Next ﬁlter change care info ﬁlter

• Additional maintenance counters under machine data

Service date

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

WMF presto Service manual edition 11/2011

WMF presto Service Manual

3 Software machine data

3.1 Machine data overview

3.2 Submenu counter

3.3 Submenu Service date

With click on „OK“, the actual date will be entered as the last visit.

With click on „OK“ the error list and FIFO will be erased.

On these three displays all possible service actions are listed. They can be looked at and

can be reset if carried out.

Brewings since last customer check-up /Brewings to Customer check-up

Date of next Customer check-up (MM.JJJJ).

The customer check-up can be reset only here.

Machine data

WMF presto Service manual edition 11/2011

WMF presto Service Manual

Service Maintenance and Revision:

Along the lines of customer check-up, the service dates,

service maintenance and revision are composed. Revision is

only requested after some time (every 6 years).

Softener exchange:

After conﬁrming with „Yes“ the water ﬁlter will be rinsed.

Rinse ﬁlter:

Mixer:

Every 6000 servings, the mixer reports a service message.

The counter of the mixer can be looked at and reset.

3.4 Temperature submenu

Setting range 80 to 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.

WMF presto Service manual edition 11/2011

WMF presto Service Manual

3.5 Submenu cleaning

Number of cleanings performed and to be performed

Number of mixer rinsings performed

Number of milk system 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.

3.8 Submenu milk

in future available

empty message via sensor

cooler next to or below

3.9 Submenu access control

The settings correspond to the default of the previous

standard setting. However, they can now be changed /

assigned independently of each other.

Malfunction and events list see

chapter Error list

WMF presto Service manual edition 11/2011

WMF presto Service Manual

if „no“ is activated: no access to component test, service routines and

counter.

if „yes“ is activated: customer check-up can be performed.

if „yes“ is activated: water ﬁlter can be exchanged and rinsed.

If activated („yes“), the key operator is able to

• do the descaling (turbo descaling)

• carry out and reset the customer check-up

• exchange and rinse the scale ﬁlter

• access the component test

• access the service routines

• access the counters

Maintenance messages in Key Operator mode

Customer check-up

Maintenance after 1 year or 15,000 brewings

Tasks to be performed analogy to customer check-up

3.10 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

Heating capacity

Conﬁguration of grinders is registered automatically (see

chapter portioner).

Conﬁguration of powder portioner is registered

automatically (see chapter portioner).

Heating capacity can be changed as required.

Reset with C on display see

machine data  service date

 Customer check-up

or Menu Care  Customer

check-up

See chapter engineering, portioner

in the training manual

WMF presto Service manual edition 11/2011

WMF presto Service Manual

Factoryservice/customer menu 2

Steam boiler existent

Steam dispensing valve existent

Fresh milk valve (cappuccino valve) existent

Steam boiler is registered automatically by its intake valve

(See chapter boiler water system).

Steam dispensing valve is automatically detected

(See chapter boiler water system).

Milk is automatically detected

(See chapter boiler water system).

Factoryservice/customer menu 3

Self-Service mode activated?

Water tank / water infeed

Drain drip tray existent? (changes cleaning and descaling )

Self-Service mode

Default at „No“ Default at „Yes“

2nd level (Yes/No) depending on conﬁguration No

On/Off button (direct/through PIN) directly directly

Warm rinse pad (active/inactive) active inactive

Barista pad (active/inactive) active inactive

Cancel Beverage (Yes/No) active inactive

Menu pad (immediately/delayed) immediately delayed

Error message (normal/symbol) normal symbol

Water tank/ Water infeed is automatically detected by

nonexistent intake valve. The external tank can be selected.

By detecting the intake valve the display shows constant

water. Option Aquaﬂex / technical insert (mobile station)

can be selected.

Drain of drip tray must be correctly adjusted manually.

See chapter Boiler water systems

in the training manual

Part 2 Engineering

See chapter Boiler water systems

See chapter drip tray

in the training manual

Part 2 Engineering

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