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Repair instruction
Note:
Please note after replacing the boiler the appliance has to
be restored to factory default. The fi lling procedure (cold
fl ush), known from the predecessor Senseo's is no longer
available after the fl ush before fi rst use has been executed.
When the "restore to factory default" procedure is not
carried out, a new and empty boiler can be switched on,
without having the protection of the initial fl ush procedure,
causing the thermal fuses in the heating element to fail.
After a boiler replacement or drained system, carry
!
out the "Restore boiler_empty_fl ag to factory
default" procedure! Then the initial fl ush procedure
can be carried out.
Descaling
Descaling is an important element in Senseo maintenance.
It should be done at least once every 3 months, up to 6
times a Year! This will prolong the life of your appliance
and will guarantee optimal brewing results for a long time.
Use the correct descaling agent. Only citric acid-based
descalers are suitable for descaling the SENSEO® machine.
This type of descaler descales the appliance without
damaging it. For the correct amount, see under 'Descaling
procedure' below.
Each descaling mixture can be used only once. After use,
the descaling mixture is no longer active. We advise you to
use the special SENSEO® Descaler (HD7006).
Read the instructions on the package of the descaling
agent. Never use a descaling agent based on mineral acids
such as sulphuric acid, hydrochloric acid, sulphamic acid
and acetic acid (e.g. vinegar). These descaling agents may
damage your SENSEO® coff ee machine.
Follow the steps in the section headed "Descale the
appliance" see DFU (Direction for Use manual).
HD7833/50 /51
Volume adjustment
The PCB circuit board makes it possible to adjust the
volume output by means of pushing the one-cup and
two-cup user controls.
How to adjust the volume output:
1. Make sure the boiler is fi lled properly, otherwise
perform fi ll procedure see DFU for instructions.
2. Switch appliance on and wait until the unit is ready to
brew.
3. Make sure a pod holder is placed, but without a
Coff ee POD. (Only adjusting with plain water)
4. Place a cup on the drip tray cover and push the one-
cup button.
5. When the appliance has fi nished it is stabilized to
perform the volume adjustment.
6. Empty the cup, podholder and push again for one cup
setting, measure the volume output with a graduated
beaker. In the table you can fi nd the requirements for
the minimum / maximum volume output cc/mL values
depending from the country version:
One-cup setting, Including Pod holder, water spec.
(Without Coff ee pod)
Small cup (60 ml)
Normal cup (125 ml)
7. Unplug the appliance from the mains.
8. Press the 1- and 2 cup button simultaneously and
plug the mains on.
9. When above step succeeded the LED will turn on
continuously.
10. Depending if the volume has to de- or increase you
have to push the one- or two cup button.
Every time you push the 1- or 2 cup button the LED
will turn off for 0.5 second (feedback to user) and the
pump time will be shortened or lengthened for 0.5
seconds depending which button was pushed.
Pushing 1 cup button pump, time will be shorten with
0.5 sec is approximately - 3.5 cc/mL (less coff ee)
Pushing 2 cup button pump, time will be lengthen
with 0.5 sec is approximately + 3.5 cc/mL more
coff ee)
When the volume has to increase with 10 cc for
example, push the 2 cup button 3 times. The new
value will be stored when you switch the appliance off
by pushing the main switch. (LED will turn off ).
11. Turn appliance on again and brew one cup, measure
the volume. In case the volume is not within
specifi cation repeat steps 6 - 11.
12. End.
Min. water cc/mL Max. water cc/mL
61
81
123
143
3-8
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