Maintenance - ECM Technika Instruction Manual

13 Operate the group lever for 3 times. Move the lever into the lower position after every operation. Thus, the
expansion valve will be rinsed. Then remove the blind filter from the filter holder.
14 Operate the group lever for approx. 60 seconds in order to rinse the heat exchanger.
15 Repeat point 9 – 11 three to five times in order to rinse the boiler.
Important!
These descaling instructions are only meant for prophylactic descaling. Please do not descale the
machine if it is already calcified. While descaling the machine, the lime residues can plug several
components, like valves, gauges etc., causing damage to your espresso coffee machine. In this case,
please contact your specialised dealer. It is probable that a professional descaling has to be carried out
which requires the disassembling of boiler and tubing.
Damage to persons or to the material, caused by calcification in and at your machine, is not subject to
the producer's liability.
In this case, also the warranty expires. Machines will be only accepted for repair after foregoing
technical advice and written acknowledgement.
Please do not enclose loose parts e. g. filter holder or drip tray when sending in the machine for
repairs / maintenance.

7.4 Maintenance

(If you have any questions, please contact your specialised dealer.)
Replacing the group gasket and the net filter (Group gasket (item no. C449900229) and net filter (item no.
C519900103) must be changed at the same time)
1 Switch off the machine (power switch in position"0") and disconnect the power cord.
2 Open the steam valve and release the steam. Then close it again.
3 Let the machine cool down to ambient temperature.
Follow the steps as indicated below:
1
Brewing group in the beginning.
4
Remove the net filter and the gasket
completely.
Instruction manual TECHNIKA · TECHNIKA PROFI
2
Use a flat screwdriver to lever out the
net filter and the group gasket.
5
Keep the new spare parts ready at
hand (the chamfered side of the
group gasket with ECM print faced
upwards to the brewing group).
25
3
The net filter and the gasket are now
nearly removed.
6
Clean the group with a brush.
Lock the net filter firmly into the
gasket.
ENGLISH