Service manual Coffee Machine

coffee wakes up the world

Service manual

Coffee Machine

Series 1200 Edition 06.2012

English

Table of contents

1 Initial operation

2 Overview machine software

2.1 Menu

2.2 Set cup volumes

2.3 Change recipes

2.4 Set grinding degree at Espresso grinder (Perfect extraction)

2.5 Basic settings

2.6 Counters

2.7 Information

2.8 Care

2.9 Overview special features and settings

3 Settings via Servicetool

4 Important Information

4.1 Idle current grinder

4.2 Grinder setting

4.3 Depressurization

4.4 Replacing steam boiler

4.5 Replacing hot water boiler

4.6 Check and set pressure reducer

4.7 Descaling, Filter replacement, Filter rinsing

5 Error messages and events

5.1 Display messages

5.2 Error list

6 Milk nozzles

7 Maintenance concepts

7.1 Maintenance sets

11

11

11

11

10

10

10

12

14

17

6

6

6

7

8

8

7

7

2

WMF 1200 S Service manual edition 06/2012

WMF 1200 S Service Manual

1 Initial operation

During the initial operation the steam boiler respectively the hot water boiler is filled automatically according to the procedure described as follows.

Machines with steam boiler and hot water boiler:

The steam boiler is filled from the hot water boiler via the steam boiler supply valve. The steam boiler supply valve is opened until the steam boiler electrode is contacted. Then the machine is heated up.

Machines with only hot water boiler:

As the level of these machines can not be detected, the hot water boiler is filled for 300 s. The waste water is led into the drip tray via the release valve. If the first filling up is interrupted, it will be restarted by switching ON the machine.

Condition

Machine is reset to customer setup

Perform the display-guided setup.

The following is set:

• language, switch off time, time, date

• filter capacity, replacement mode (customer or service)

• self-service mode

If necessary update software to latest version

(Servicetool required)

Perform portioner calibration (Servicetool required)

Adjust boiler temperature and beverages according to customer specifications

Afterwards a test brewing is made

Before regular operation:

rinse the pipes, dispense three cups of hot water

perform the cleaning cycle

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.


3


2 Overview machine software

2.1 Menu

Enter the submenü:

Briefly touch P , then press +/- button.

select program browse: -/+ cup volumes

OK: P browse: -/+ cup volumes select beverage

Beverage button

cup volume: 100%

OK: P test: beverage change recipes

OK: P change: -/+ water volume: 37 ml

OK: P change: -/+ ground coffee: 86%

OK: P change: -/+ foam volume: 14sec

OK: P test: beverage macch. pause: 20sec

OK: P change: -/+ milk volume: 14sec

OK: P change: -/+ first coffee

OK: P change: -/+ preinfusion: on

OK: P change: -/+ set grinding degree

OK: P browse: -/+ brewing test test grinding degree min. pressure max.

grinding degree OK test: P end: C

4


basic settings

OK: P browse: -/+ language: english

OK: P change: -/+ sw. off time: 0min

OK: P change: -/+ switch on time: off

OK: P change: -/+ foam quality 100%

OK: P change: -/+ topping quality xxx

OK: P change: -/+

ECO-mode: 0

OK: P change: -/+ boiler temp.: 96°C

OK: P change: -/+ office functions

OK: P change: -/+ time hh:mm:ss

OK: P change: -/+ date dd.mm.yyyy

OK: P change: -/+ date / time: off

OK: P change: -/+ water filter: no

OK: P change: -/+ water hardn.: 20

OK: P change: -/+ audio signal: on

OK: P change: -/+

SB mode: no

OK: P change: -/+ display contrast

OK: P change: -/+ backup: no

OK: P change: -/+ change PIN

OK: P change: -/+ counters

OK: P browse: -/+ espresso 269 browse: -/+

etc. all beverages

reset all counters?

No: C Yes: P


information

OK: P browse: -/+

V0.0x dd.mm.yyyy

browse: -/+

WMF 1200S Basic browse: -/+ serial no. ###### browse: -/+ prod. date: mm.yyyy

browse: -/+ idle current gr#:## browse: -/+


5


2.2 Set cup volumes cup volumes

OK:P browse: +/-

Adjust: +/- button

Test beverage: beverage button

Save: P button

2.3 Change recipes change recipes


Adjust: +/- button

Test beverage: beverage button

Save: P button

• Water volume

• Ground coffee

• Preinfusion

• Milk volume

• Foam volume

• etc.

2.4 Set grinding degree at Espresso grinder (Perfect extraction) set grinding degree


The brewing pressure changes with changing the grinder degree setting.

The setting is correct if the brewing pressure is indicated between 2/3 and 3/4 on the bar during the test brewing.

6



2.5 Basic settings basic settings


• Language

• Switch off time

• Switch on time

• Milk foam quality (optional)

• Topping quality (optional)

• ECO-mode

• Boiler temperature

• Office functions

• Time

• Date

• Date / time (display)

• Water filter

• Water hardness

• Audio signal

• SB mode (self-service mode)

• Display contrast

• Backup

• Change PIN

2.6 Counters counters


2.7 Information information


• Software version

• Machine name

• Machine number

• Date of production

• Idle current (grinders)

You can display the number of beverages prepared here. The beverage counter can be reset.


7


2.8 Care

The following procedures can be made via the care pad:

• Cleaning program

• Milk system rinsing

• Mixer rinsing

• Filter change

• Descaling

• Customer check up

• Brewing unit change

2.9 Overview special features and settings

Free flow milk foam dispensing Milk foam can be added by pressing the C-button.

Warm-up rinse

Barista function

S-M-L-Function

Milk foam quality

2nd beverage level

Deactivate milk beverages

Press care pad long.

Press the + / - button briefly: beverage can be preselected „strong“ or „mild“.

Press the + / - button long: beverage can be preselected „big“ or „small“.

Milk foam quality can be adjusted in the basic settings.

2nd beverage level can be activated via basic settings / office functions. Beverages on the 2nd level are activated with double click.

Milk beverages can be activated / deactivated via basic settings / office functions.

Weigh grounds

Idle current grinder

Backup

Ground coffee can be tested:

Empty grounds container, select beverage, interrupt it by pressing C button after grinding.

Idle current for grinders can be detected at the machine:

Information empty).

w button for 2 s (therefore the grinder has to be

The technician saves the data in a data backup. It can be copied again into the working memory.

8



3 Settings via Servicetool

The follwing settings can only be made via Servicetool

• Change button allocation / beverage names

• Enter or reset Service maintenance 1, Service maintenance 2, Mixer maintenance and Revision

• Adjust machine configuration (e.g. activate grounds disposal through counter)

• Test components

For more further details see Training manual Servicetool


9


4 Important Information

4.1 Idle current grinder

The idle current has to be detected again having replaced the grinder, grinder disks or grinder motor.

Important: the grinder has to be completely empty.

Press the unlighted „P-button“ in the machine program under Information / Idle current for 3 seconds. Thus the hidden routine for idle current detection is started.

4.2 Grinder setting

Grinding degree setting

The grinder must be removed. The setting-wheel (with worm gear) is dismantled.

Turn the grinding-disks towards each other until they join and cannot be turned further by hand on the driveshaft.

Fit the setting-wheel with the worm gear.

Espresso grinder (right side)

Open the setting-wheel by a total of 10 turns

This setting corresponds to setting no. 1 (espresso)

Cream grinder (left side)

Open the setting-wheel for a total of 18 turns

This setting corresponds to setting no. 5 = cream fineness.

Two turns of the setting-wheel are necessary to adjust thefineness by one degree.

Machines with only one grinder are set to espresso fineness.

4.3 Depressurization

Before opening the screw connections in the boiler water system this routine must be run for safety reasons.

Press the unlighted P-button for 3 s in the machine program under Information/Manufacturer number. Then insert PIN number (if there is no PIN, press the topmost beverage button, this corresponds to „00000“). So the hidden depressurization routine is started.

Cappuccino valve opens (heating is off) until the machine gets restarted.

10



4.4 Replacing steam boiler

The steam boiler is filled from the hot water boiler via the supply valve having replaced the steam boiler and switched

ON the machine. The supply valve is opened until the electrode reports “contact”. Then the machine is heated up.

4.5 Replacing hot water boiler

The hot water boiler is not filled automatically after the replacement. If the steam boiler electrode got in contact with water, the steam boiler and hot water boiler would heat up. Therefore keep the heating unplugged having replaced the hot water boiler. Then fill up the hot water boiler via the Servicetool / component test until hot water runs out of the spout:

• Voltage 24 V OK

• Hot water valve

• Oscillation pump

• machines with constant water supply are equipped with an additional hot water supply valve

Then unplug the coffee machine mains plug and plug the hot water boiler mains plug in the CPU.

4.6 Check and set pressure reducer

Press the unlighted P-button for 3 s in the machine program under Information/Production date. So the hidden routine for setting the pressure reducer is started.

Remove screw plug on water tank union.

Screw in auxiliary nipple (33.2320.8000) for plug connector adapter.

Place auxiliary tool on union.

keep the unlighted P-button pressed in the machine program under Information/Production date. After 3 s the boiler infeed valve opens; Read pressure from manometer and set to 1.8 bar.

The boiler infeed valve closes again when P-button is released

Remove setting controller and remove auxiliary nipple.

Replace screw plug.

4.7 Descaling, Filter replacement, Filter rinsing

Information see User Manual.


11


5 Error messages and events

5.1 Display messages

Operation messages

refill water tank

Water tank is empty or not inserted.

heating up ...

warm rinse in progress refill beans left refill beans right empty grounds cont.

When temperature in hot water boiler or steam boiler is too low.

During automatically (after first heating-up)or manually warm-up rinse (via rinsing button).

Idle current at bean hopper left is detected.

Idle current at bean hopper right is detected.

Grounds container is full

(Default 200 seconds grinding time).

Cleaning messages

replace brewing unit empty drip tray

Brewing unit not detected after closing the door or reinserting the grounds container.

Displayed after switching machine on: machines without drain connection and after cleaning with switching off.

12


Maintenance and Care messages

Customer check-up

Service maintenance 1

Service maintenance 2

Revision

Mixer maintenance

Replace water filter

Descale machine


After 15.000 brewings

After 1 year

After 2 years

After 6 years

After 6.000 beverages

Replace the water filter (machines with constant water supply and tank)

Carry out machine descaling.


13


5.2 Error list

F2

F5

F6

F7

Brewer without electricity

Brewer shutoff

Brewer over current

Brewer timeout (no electricity)

F26 Portioner 1 current malfunction

F36 Current malfunction Portioner 2

F87 Boiler sensor damaged

F88 boiler excess temperature

F89 boiler heating time

F125 EEprom missing or defective

F126 Front panel / CPU Communication error

F135 Motor driver error (grinder or brewer motor)

F161 flowmeter malfunction during brewing

F162 flowmeter malfunction during cleaning

F163 flowmeter malfunction during checking

F164 flowmeter malfunction during hot water dosage

F165 flowmeter malfunction during choc dosage

F166 flowmeter malfunction during steam boiler feeding

F167 flowmeter malfunction during descaling

F186 timeout during steam boiler filling

F187 Steam boiler sensor damage

F188 Excess temperature in steam boiler

F189 Heating-time steam boiler

14


6 Milk nozzles

ge bei

0 3,0 ple pur

0 2,2 pink

0 2,1 blue

0 red

0 tgreen ligh

0 nt are low yel ey nsp hon tra

0 1,7

5 1,6

1,8

1,9

2,0 mel cara

0 1,6 n brow

0 1,5 te whi

0 1,4 lue green gray-b orange

0 1,3

0 1,2

5 1,1 gray ck low yel bla

0 1,1

5 1,0

0 1,0 3395137000

3395900100

3395097100

3395106100

3370071714

3323178000

3395169000

3320315100

3395213000

3395214000

3320314100

3395215000

3324101000

3313843100

3324102000

3324103000

3320460100


at le nozz an ilk m

Cle n this lug& o P se ug o used, pl

used /n r is

the ho of is ole pter

co ada

If no the end


15


7 Maintenance concepts

16

wings Bre



7.1 Maintenance sets

Customer check-up kit (CK) every 15.000 brewings

Service maintenance 1 (MS 1) once a year (contains customer check-up kit)

Service maintenance 2 (MS 2) every 2 years

Brewer

33.2823.6199

Set Choc

33.2828.6100

Overview maintenance sets

WMF milk system

Venturi optimized milk foamer

2,2 kW

Customer check-up kit 33.2878.3000

Service maintenance 1 33.2878.4000

Service maintenance 2 33.2878.5000

WMF Topping

Topping

33.2878.3000

33.2878.4000

33.2878.6000


17

Service manual Coffee Machine

Service manual

Coffee Machine

1 Initial operation

2 Overview machine software

2.1 Menu

2.2 Set cup volumes cup volumes

OK:P browse: +/-

2.3 Change recipes change recipes

OK:P browse: +/-

2.4 Set grinding degree at Espresso grinder (Perfect extraction) set grinding degree

OK:P browse: +/-

2.5 Basic settings basic settings

OK:P browse: +/-

2.6 Counters counters

OK:P browse: +/-

2.7 Information information

OK:P browse: +/-

2.8 Care

2.9 Overview special features and settings

3 Settings via Servicetool

4 Important Information

4.1 Idle current grinder

4.2 Grinder setting

4.3 Depressurization

4.4 Replacing steam boiler

4.5 Replacing hot water boiler

4.6 Check and set pressure reducer

4.7 Descaling, Filter replacement, Filter rinsing

5 Error messages and events

5.1 Display messages

refill water tank

heating up ...

warm rinse in progress refill beans left refill beans right empty grounds cont.

replace brewing unit empty drip tray

Customer check-up

Service maintenance 1

Service maintenance 2

Revision

Mixer maintenance

Replace water filter

Descale machine

5.2 Error list

6 Milk nozzles

7 Maintenance concepts

7.1 Maintenance sets

Related manuals

WMF

Presto

WMF

Presto

WMF

800

WMF

800

WMF

1000

WMF

1000

WMF

WMF 1000pro S

WMF

Espresso

WMF

WMF 1000 S

WMF

Series 1300 prestolino