BOSCH TCA5201 User Manual [fr]
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Fully-automatic coffeemaker
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1 SAFETY........................................................2
1.1 Safety instructions..............................................................2
1.2 Repair instructions .............................................................2
2 INSTALLATION............................................3
2.1 Installation...........................................................................3
2.2 Scope of delivery................................................................ 3
3 OPERATION.................................................4
3.1 Starting the appliance.........................................................4
3.2 Controls...............................................................................5
3.3 Displays and operating logic........................................... 12
3.4 Adjusting water hardness................................................20
3.5 Reducing temperature......................................................21
3.6 Reset..................................................................................21
3.7 Manually cooling the heater.............................................22
3.8 Service programme .......................................................... 23
3.9 Maintenance and daily cleaning...................................... 28
4 COMPONENTS...........................................30
4.1 Flowmeter..........................................................................30
4.2 Heater and NTC-sensor.................................................... 31
4.3 Brewing unit...................................................................... 33
4.4 Gear unit............................................................................38
4.5 Steam valve and proximity switch................................... 42
4.6 Hot water / steam nozzle ..................................................43
4.7 Water filter.........................................................................44
5 FUNCTIONS ...............................................45
5.1 Construction......................................................................45
5.2 Fluid system......................................................................47
5.3 Temperature...................................................................... 48
6 REPAIR.......................................................49
6.1 Replacing the brewing unit.............................................. 49
6.2 General disassembly........................................................ 52
6.3 Replacing the pump ......................................................... 55
6.4 Replacing the thermal fuse.............................................. 56
6.5 Replacing the heating element and NTC sensor............ 59
6.6 Replacing the electronics board ..................................... 60
6.7 Replacing the power cord................................................ 61
6.8 Replacing the coffee outlet.............................................. 62
6.9 Replacing the front panel................................................. 63
6.10 Replacing steam valve and operating panel .................. 64
6.11 Appliance test................................................................... 65
7 FAULT DIAGNOSTICS...............................67
7.1 Incoming goods inspection............................................. 67
7.2 Incoming goods inspection............................................. 68
7.3 System and error messages............................................ 69
7.4 Measuring the coffee temperature.................................. 73
8 TECHNICAL SPECIFICATIONS.................74
8.1 Rating plate....................................................................... 74
8.2 Power................................................................................. 75
8.3 Temperatures.................................................................... 75
8.4 Consumption values (230 V/50 Hz models).................... 76
8.5 Dimensions and weight.................................................... 77
8.6 Filling amounts................................................................. 77
8.7 Components...................................................................... 78
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1 SAFETY
1.1 Safety instructions
Danger!
► Repairs may be carried out by a qualified electrician only!
► The user may be put at considerable risk and injured by
improper repairs!
► Electric shock may occur if live components are touched
inside the appliance!
► Do not touch components in the appliance. Even the modules
can be live!
► Before commencing repairs, ALWAYS disconnect the
appliance from the power supply!
► If tests have to be conducted while the appliance is live,
ALWAYS use a residual-current-operated circuit-breaker!
► The protective conductor connection must not exceed the
standardised values! This is essential for personal safety and
appliance function!
► When repairs are complete, perform a test in accordance with
VDE 0701 or the corresponding national regulations!
► Following each repair, conduct a leak and performance test.
1.2 Repair instructions
Caution!
► NEVER attempt repairs by randomly replacing components!
► ALWAYS proceed systematically and comply with the
technical documentation for the appliance!
► Components become hot during operation. Before
commencing repairs, leave the appliance to cool down.
► As a rule, printed-circuit boards are not repaired but are
completely replaced with original spare parts. Exceptions are
documented separately.
Risk of scalding!
Hot water / steam nozzle or auto-cappuccinatore frothing-up
nozzle (optional) become very hot. Take hold of the nozzles
by the plastic parts only, not by the metal parts. Keep body
parts away from the nozzles and do not aim it to yourself or
anyone else.
When steam or hot water is released, the nozzles may initially
sputter!
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2 INSTALLATION
2.1 Installation
► The installation location must be level and dry.
► Protect the appliance from splash water.
► There must be a minimum filling height of 410 mm.
► Connect and operate the appliance only in accordance with
the specifications on the rating plate.
► Operate the appliance indoors and at room temperature only.
► Do not place the appliance on a hot surface (e.g. heating
plate) and never use it close to an open flame.
2.2 Scope of delivery
Accessories included in packing without extra box:
► 2 Detergent-tablets
► Test strip for determining the local water hardness
► 2 Descaler-tablets (for 1 descaling process)
► Operating instructions in 7 languages
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3 OPERATION
3.1 Starting the appliance
Risk of damage!
Do not use coffee beans which have been glazed,
caramelised or treated with other additives containing
WARNING
► Pull the mains plug out of the cord store at the rear of the
appliance and connect according to the specifications on the
rating plate.
► Remove the water tank and fill with fresh, cold, non-
carbonated water. Observe “max” mark.
► Attach water tank straight and press all the way down.
► Fill the bean container with fresh coffee beans. Preferably
use espresso beans or bean mixtures for fully automatic
machines.
► Set the mains switch at the rear
of the appliance to I.
LED above stand-by button lights up
dim red.
► Ensure that the rotary knob for
drawing steam/hot water is set
to O.
► Press Standby button.
sugar. These will damage the grinding unit.
Note:
When the appliance is used for the first time or if the
appliance has not been used for a prolonged period, the
first cup of coffee still does not have the full aroma and
should therefore not be drunk.
3.1.1 Self-test
► Brewing module is initialised.
► Appliance heats up to operating temperature.
► Brewing module is moved to brewing position.
► Pump starts running and conveys approx. 50 ml water
through the coffee outlet.
Brewing module and coffee outlet are rinsed and heated.
► Brewing module drains and moves to home position
Appliance is ready for use when the LED above the stand-by button
is lit green.
3.1.2 Filling the system
When switching on the appliance for the first time and after a service
the water pipe system in the appliance must be filled.
LEDs above stand-by button and “Turn steam/hot water valve”
flash:
► Place a cup under the hot water/ steam nozzle.
► Set rotary knob for drawing steam/hot water to “Steam”.
A small amount of water is conveyed and the water pipe
system is filled.
► Set rotary knob for drawing steam/hot water to “O”.
LED above stand-by button flashes, appliance heats up and is
rinsed.
Appliance is ready for use when the LED above the stand-by
button is lit green.
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3.2 Controls
3.2.1 Overview of the controls 1
2
3
4
5
6
7
8
9
10
11
12
a
b
c
d
Mains switch I / O
Standby button
Coffee on button (mild)
Coffee on button (strong)
Steam button
Hot water/steam production knob
LED display
Fill water
Empty trays
Run Service programme
Turn steam/hot water valve
Steam pipe with frothing nozzle
Coffee outlet, height-adjustable
Cover, water tank
Water tank
Bean container with aroma protection cover
13
14
15
16–19
20
21
Slot for detergent tablets
Cup shelf with cup heater
Slide switch, degree of ground coffee
Drip tray
Store for power cord
Service flap (access to brewing module)
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3.2.2 Overview of the controls 16
17
18
19
Drip plate
Drawer for coffee dregs
Drip tray
Float for level indicator
Note!
The level of the drip tray is indicated via the float
through an opening in the drip plate. The level is not
monitored electronically!
16
17
18
19
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3.2.3 Controls
1. Mains switch
The mains switch on the rear of the appliance switches the power
supply on or off.
When the mains switch has been switched on, the Standby button
lights up dim red. The appliance is in standby mode.
Attention!
Risk of damage!
Do not actuate the mains switch during the brewing
process. When the appliance is switched on again,
malfunctions and damage may occur.
► Do not switch off the appliance with the mains
switch until it has been switched off with the
WARNING
Standby button.
2. Standby button
The Standby button switches on and starts the appliance or
switches it from brewing mode to standby.
When the Standby button has been pressed, a self-test runs: The
appliance is initialised, heats up and is rinsed. The LED of the
Standby button flashes during this process.
If the LED is lit green, the appliance is ready for use.
Switching on a cold appliance:
When the Standby button has been pressed, the appliance heats up
and is rinsed. The button flashes. Coffee cannot be brewed until the
button stops flashing.
Switching on a warm appliance:
If the appliance is switched on with the Standby button, a rinsing
process or self-test will not occur until the heater has reached the
operating temperature. The Standby button is lit constantly. Coffee
can be brewed immediately.
The appliance is not rinsed if:
► it was still warm when switched on
or
► there was no coffee from the last brew before the appliance
was switched off.
Automatic switch-off:
Appliance automatically switches to standby after 3 hours.
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Controls
3. Coffee on button (mild)
If the coffee on button (mild) is pressed, a coffee brewing
process is started with a small amount of ground coffee.
Amount of ground coffee saved permanently: mild =
7.6 +/– 1g
► Press 1 x for a cup of mild coffee.
Coffee beans are ground, pre-brewed and conveyed into the cup.
4. Coffee on button (strong)
If the coffee on button (strong) is pressed, a coffee brewing
process is started with a large amount of ground coffee.
Amount of ground coffee saved permanently: strong =
12.3 +/– 1g
► Press 1 x for a cup of strong coffee.
Coffee beans are ground, pre-brewed and conveyed into the cup.
If the button is pressed again, the coffee brewing process can be
interrupted early. The grinding process is ended, the brewing process
is stopped, the brewing module is emptied.
The same amount of liquid can also be drawn:
► To do this, press the coffee on button (strong) again within
3 seconds after the end of the brewing process.
The already used ground coffee is brewed.
The factory preset amount of liquid (125 ml) can be changed.
► To do this, press the “on” button and hold down until the
required amount of coffee has run through.
Programming range 30–220 ml
Reset to factory setting ► Remove drip tray
► Simultaneously press Mild +
Strong “on” buttons and hold
down for 5 second
LEDs flash
► Re-insert drip tray
► Switch on appliance with
standby button
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Controls
5. Steam button
By pressing the button, steam is generated for frothing or
heating.
The appliance heats up for approx. 20 seconds. Then steam can be
drawn by rotating hot water/steam production knob.
When the knob has been turned back to O, the steam button must be
pressed again before more steam can be drawn.
6. Hot water/steam production knob
Valve with 2 positions
O
When the hot water/steam production knob has been turned, hot
water or steam can be drawn via the steam pipe.
Before steam can be drawn, the steam button must also be pressed.
When the knob has been turned back to O, the steam button must be
pressed again before more steam can be drawn.
Coffee brewing process (valve closed)
Hot water/steam production (valve open)
7. LED display
Lit and flashing LEDs indicate the following:
lit Water tank is empty and must be filled.
lit Trays are full: Empty trays and re-insert.
flashes No trays: Re-insert trays.
S
S
8. Steam pipe with frothing nozzle
Steam pipe can be swivelled 30° to the side.
Standard frothing nozzle for drawing hot water and for drawing steam
to heat drinks and froth milk.
lit Service programme must be run:
flashes Service programme is running
flashes
lit
Knob must be turned to hot water/steam
production.
Knob must be turned to O.
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Controls
9. Coffee outlet, height-adjustable
Adjustment range 80 mm–120 mm
10. Cover, water tank
Hinged, connected to upper section of appliance.
11. Water tank
Can be removed at side, 1.8 litre capacity up to “ max” mark.
Holder for screw-on water filter (mat. no. 46 1732) available.
12. Bean container with aroma protection cover
Transparent, capacity approx. 700 ml (equivalent to approx. 250
beans)
13. Slot for cleaning tablet
No sensor for cover monitor
14. Cup shelf with cup pre-heater
15. Slide switch – degree of ground coffee, 3-stage
Risk of damage!
Beans may become jammed in the grinding unit.
► Adjust degree of grinding only while the grinding
WARNING
unit is running
Irrespective of the degree of roasting and the oil content of the coffee
beans used, the coffee mill’s degree of grinding must be changed:
► Light roasting, low oil content finer grinding result
► Dark roasting, high oil content coarser grinding result
If beans are very oily, a very fine grinding unit setting
in conjunction with a large amount of ground coffee
may impair the operating sequence!
The new setting does not become noticeable until the second or third
cup of coffee.
Passively heated by the waste heat from the coffee heater
Temperature > 37 °C after 20 minutes
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Controls
16. Drip plate
Stainless steel, with opening for float
17. Drawer for coffee dregs
Capacity 12–14 coffee dregs at medium strength
18. Drip tray
Volume until float indicates limit, approx. 0.7 litres
The presence of the drip tray is monitored by a microswitch.
This also occurs in standby.
19. Float for level indicator
The level of the drip tray is indicated via the float through an opening
in the drip plate.
The level is not monitored electronically.
20. Store for power cord
Pull out power cord to required length.
21. Service flap
The service flap is locked in position on the right side of the appliance.
To open:
► Take hold of the recessed grip and
► pull the service flap outwards.
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3.3 Displays and operating logic
3.3.1 Standby
Set mains switch to I
LED button:
LED display:
Standby is lit dim red
No display
3.3.1.1 Options
Press Standby button: The appliance is initialised, heats up
and is rinsed
Press Coffee mild button: No response, appliance is off
Press Coffee mild button for
Service programme starts
5 seconds:
Press Coffee strong button: No response, appliance is off
Press the “Steam” button No response, appliance is off
Press Steam button for 5 sec.: Water hardness setting starts
Setting corresponds to the number
of lit LEDs
Press Coffee strong + Steam
buttons for 5 sec.:
Temperature reduction by 4°
Normal temperature = “Add water”
and “Empty trays” LEDs are lit. Pr ess
Coffee strong button = - 4°/ normal
Open hot water/steam valve: No response, appliance is off
Open hot water/steam valve,
Start appliance test
press Coffee mild + Steam
buttons for 5 sec.:
Remove trays: No response, appliance is off
Remove trays, Press Coffee
mild + strong buttons for 5 sec.:
Works reset for amount of coffee,
temperature and water hardness
Release brewing unit: No response, appliance is off
Service LED flashes alternately with
Standby LED buttons (dim red)
Press Coffee mild + strong +
Steam buttons for 5 sec.:
Set software bit for initial
operation: = Fill system +1.
Grinding unit running time +6 sec.
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3.3.2 Switching on the appliance
Press Standby button
LED button:
LED display:
Appliance:
Standby flashes red
No display
The appliance is initialised, heats up and is rinsed
3.3.2.1 Options
Press Standby button: Appliance switches to standby
Press Coffee mild button: No response
Press Coffee strong button: No response
Press the “Steam” button: No response
Open hot water/steam valve: Close steam valve LED is lit
Remove trays: “Trays missing” LED flashes,
heating up is interrupted,
brewing unit does not move
Release brewing unit: Heating up ends.
Service LED flashes alternating
with Standby LED buttons (dim
red)
Lock brewing unit: Appliance switches to standby
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3.3.3 Appliance ready to use
LED button:
LED display:
Appliance:
Standby is lit green
No display
Ready to use
3.3.3.1 Options
Press Standby button: Appliance switches to standby
Press Coffee mild button: Brew coffee
Press Coffee strong button: Brew coffee
If the Coffee mild or Coffee
strong button is pressed again
within 3 seconds after the end of
the brewing cycle, the same
amount of liquid is brewed
through the ground coffee
already used.
Press the “Steam” button: Heat up to steam temperature
Open hot water/steam valve: Draw hot water
Remove trays: Standby button LED is lit, “Trays
missing” LED flashes
Release brewing unit: Service LED flashes alternating
with Standby LED buttons (dim
red)
Lock brewing unit: Appliance switches to standby
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3.3.4 Brewing coffee
Press the Coffee mild or Coffee strong button
LED button:
LED display:
Appliance:
Standby flashes green
No display
Brew coffee
3.3.4.1 Options
Press Standby button: The current coffee brewing process
is stopped, switches to standby.
Press Coffee mild button: The current coffee brewing process
is stopped, switches to standby.
Press Coffee strong button: The current coffee brewing process
is stopped, switches to standby.
If the Coffee mild or Coffee strong
button is pressed again within
3 seconds after the end of the
brewing cycle, the same amount of
liquid is brewed through the ground
coffee already used.
Press the “Steam” button: The current coffee brewing process
is stopped, switches to standby.
Open hot water/steam valve: The current coffee brewing process
is interrupted, Close steam valve
LED is lit, grinding is not
interrupted.
Remove trays: The current coffee brewing process
is interrupted, “Trays missing” LED
flashes, grinding is not interrupted.
Remove water tank: Coffee brewing process is stopped
after approx. 10 seconds, “Add
water” LED is lit, Open hot water/
steam valve LED flashes.
Adjust filling quantity: Active is accepted.
Beans running out: Current coffee brewing process is
completed.
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3.3.5 Drawing hot water
Open hot water/steam valve
LED button:
LED display:
Appliance:
Standby flashes green
Hot water/steam valve is lit
Pump is running, heating on
Convey hot water
3.3.5.1 Options
Press Standby button: Appliance switches to standby
Press Coffee on button: Brewing is stopped, “Close hot
water/steam valve” LED is lit
Press coffee strength button: Brewing is stopped, “Close hot
water/steam valve” LED is lit
Press the “Steam” button: Brewing is stopped, “Close hot
water/steam valve” LED is lit
Remove trays: Brewing is stopped, “Close hot
water/steam valve” LED is lit,
“Trays missing” LED flashes
Remove water tank: Brewing is stopped after approx.
10 sec., “Add water” and “Close
hot water/steam valve” LEDs are
lit
Release brewing unit: Brewing is stopped, Service LED
flashes alternating with Standby
LED buttons (dim red)
Lock brewing unit: Appliance switches to standby
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3.3.6 Heating up to steam
Press the “Steam” button
LED button:
LED display:
Appliance:
Standby is lit green, Steam flashes
No display
Heat up to steam temperature
3.3.6.1 Options
Press Standby button: Heating up is stopped, appliance
switches to standby
Press Coffee mild button: Heating up is stopped, appliance
switches to standby
Press Coffee strong button: Heating up is stopped, appliance
switches to standby
Press the “Steam” button: Heating up is stopped, appliance
switches to standby
Open hot water/steam valve: Wait until steam temperature has
been reached, then draw steam
Remove trays: Continues heating, “Trays
missing” LED flashes
Remove water tank: No response
Release brewing unit: Heating up is stopped, Service
LED flashes alternating with
Standby LED buttons (dim red)
Lock brewing unit: Appliance switches to standby
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3.3.7 Steam ready
LED button:
LED display:
Appliance:
Standby is lit green, Steam is lit
“Open steam valve” flashes
At steam temperature for approx. 1 minute
3.3.7.1 Options
Press Standby button: Stopped, appliance s witches to
standby
Press Coffee mild button: Stopped, appliance switches to
ready to use
Press Coffee strong button: Stopped, appliance switches to
ready to use
Press the “Steam” button: Stopped, appliance switches to
ready to use
Open hot water/steam valve: Steam is generated, “Close hot
water/steam valve” LED is lit
Close hot water/steam valve is lit Steam ready ends
Remove trays: Steam ready continues for
approx. 1 minute, “Close hot
water/steam valve” and “Trays
missing” LEDs flash
Release brewing unit: Steam ready is stopped, Service
LED flashes alternating with
Standby LED buttons (dim red)
Lock brewing unit: Appliance switches to standby
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3.3.8 Drawing steam
Open hot water/steam valve
LED button:
LED display:
Appliance:
Standby flashes green, Steam flashes
Open steam valve is lit
Pump is running, heating on
Convey steam
3.3.8.1 Options
Press Standby button: Stopped, appliance switches to
standby
Press Coffee mild button: Brewing is stopped, “Close hot
water/steam valve” LED is lit
Press Coffee strong button: Brewing is stopped, “Close hot
water/steam valve” LED is lit
Press the “Steam” button: Brewing is stopped, “Close hot
water/steam valve” LED is lit
Close hot water/steam valve is lit Stopped, appliance switches to
ready to use
Remove trays: Brewing is stopped, “Close hot
water/steam valve” LED is lit
Remove water tank: Brewing is stopped after approx.
30 sec., “Add water” and “Close
hot water/steam valve” LEDs are
lit
Release brewing unit: Steam on is stopped, Service
LED flashes alternating with
Standby LED buttons (dim red)
Lock brewing unit: Appliance switches to standby
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3.4 Adjusting water hardness
It is important that the water hardness is set correctly so that the
appliance indicates in good time when it requires descaling.
Water hardness 4 has been preset
Determine the water hardness with the enclosed test strip or ask your
local water supplier.
5 s
Hardness 4
Hardness 3
► Switch on the appliance with the mains switch.
Appliance is in standby
► Press Steam button for 5 seconds:
Number of lit LEDs indicates the currently set water hardness.
► Keep pressing Steam button until the buttons for the
required water hardness light up.
If no button is pressed within 90 seconds, the appliance switches back
to coffee ready without saving the water hardness. The previously set
water hardness is retained.
► Press Standby button once.
The set LEDs flash 3 times, the selected water hardness is saved.
Note:
If a water filter is used, water hardness 1 must
be set!
Hardness 2
Hardness 1
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3.5 Reducing temperature
Temperature reduction by 4°
5 s
► Switch on the appliance with the mains switch.
Appliance is in standby
► Press Coffee strong and Steam buttons for 5 seconds:
Normal temperature: Add water and Trays missing LEDs are lit
► Press Coffee strong button to reduce the temperature
by 4°
–4°: Add water LED is lit
► Press Standby button once
The set LEDs flash 3 times, the selected water hardness is saved.
If no button is pressed within 90 seconds, the appliance switches back
to coffee ready without saving the water hardness. The previously set
water hardness is retained.
Normal
- 4°
3.6 Reset
► Switch on the appliance with the mains switch.
Appliance is in standby
► Remove drip tray
► Press Coffee mild and Coffee strong buttons for 5
The following values are reset to the factory settings:
– Amount of liquid coffee (set to 125 ml)
– Temperature (set to normal)
– Water hardness (set to hardness 4)
All 4 LEDs flash 3 times. Appliance switches back to standby
seconds:
3 x
5 s
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3.7 Manually cooling the heater
Heater and parts of the tube system become hot during operation. For
service activities heater and tube system can be cooled down
manually.
► Provide a 0.5 litre collecting vessel
3.7.1 Procedure
► Insert mains plug and set mains switch to “I”
Appliance is in standby. The standby button LED is lit dimly red.
► Place collecting vessel under steam nozzle.
► Simultaneously press coffee on MILD and steam
buttons for 5 seconds.
LED above Open steam tap symbol flashes for 5 seconds.
► Open steam tap: (if the steam tap is not opened during this
time, the appliance switches back to standby).
Cold water (maximum 0.5 litres) is conveyed out of the steam pipe.
It is not reheated, heater is cooled manually.
► Close steam tap.
Pump stops. Appliance switches back to standby. The standby button
LED is lit dimly red.
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3.8 Service programme
The service programme combines the descaling and cleaning
process in one cycle.
If S lights up on the display when the appliance is switched on, the
service programme must be started.
Use liquid descaling agent, mat. no. 310451, and detergent tablets,
mat. no. 310575!
Risk of damage!
► Never interrupt the service programme!
► Never descale the appliance with vinegar or vinegar-
based substances.
► Before starting the service programme, remove
WARNING
While the Service programme is running (approx. 40 min.), the S LED
flashes.
3.8.1 Service alarm
water filter from the water tank!
3.8.2 Starting the service programme
► To start the Service programme, switch the appliance to
standby.
5 S
LED button:
LED display:
Standby is lit dim red
S is lit
► Press Coffee mild button for 5 seconds
The appliance is initialised, heats up and is rinsed.
The Service alarm is displayed after
► 180 coffee brewing processes; irrespective of the coffee
strength and cup size (Cleaning alarm)
or
► 120 l water flow at a water hardness setting of 1
90 l water flow at a water hardness setting of 2
60 l water flow at a water hardness setting of 3
30 l water flow at a water hardness setting of 4
For steam the calculation is as follows: 6.4 seconds of steam
production correspond to 1 dl of hot water production.
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LED button:
LED display:
Standby is lit red
S flashes, Empty trays is lit
3.8.3 Sequence of the Service programme (descaling)
► Remove drip tray with dregs drawer, empty and re-insert (time
window > 6 seconds).
LED button:
LED display:
Standby is lit red, Fill water is lit
S flashes, Steam flashes
► Place one cleaning tablet in the slot
► Fill water tank with lukewarm water, add descaling agent and
dissolve completely in water (total amount of liquid = 0.5
litres).
or
► Fill water tank with 0.5 l of ready mixed descaling solution.
► Press the steam button
Appliance starts the descaling cycle. Duration approx. 10 minutes.
Service marker is set
LED button:
LED display:
Standby is lit red
S flashes
Liquid outlet via drainage valve: 1 x 60 ml
16 x 15 ml
Total: 300 ml
Descaling via drainage valve ended.
If using descaling tablets, add two tablets.
Observe the dissolving time of the tablets
58300000123125_ARA_en_d.doc – 09.10.09 Seite 24 von 78
(approx. 4–6 minutes)!
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