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5. Cleaning, care and
maintenance
» Never use abrasive or corrosive cleaning agents. A
damp cloth is sufficient for cleaning the appliance.
» Check the taps/valves regularly. Limescale deposits
at the spouts can be removed using commercially
available descaling agents.
» Have the electrical safety of the appliance regularly
checked by an electrician.
» Regularly descale or replace the special aerator (see
chapter "Appliance description / Accessories").
Operation - for users and contractors
6. Troubleshooting
Problem
Cause
The appliance will not
No power to the ap-
start despite the DHW
pliance.
valve being fully open.
The aerator in the tap
is scaled up or dirty.
The water supply has
been interrupted.
If you cannot remedy the fault, notify your qualified con-
tractor. To facilitate and speed up your enquiry, please
provide the serial number from the type plate (000000 /
0000-00000).
MTD . . .
Model:
E-Nr:
0000-00000
F-Nr:
Remedy
Check the fuses/
MCBs in your fuse
box.
Clean and/or descale
the aerator or replace
the special aerator.
Vent the appliance
and the cold water
inlet line (see chapter
"Settings").
000000
29
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Troubleshooting
