CLEANING
NOTE on material damage
− Do not immerse the device in water or
− Never use harsh, scouring or abrasive
1. Disconnect the device from the power supply.
2. Wipe clean the device with a slightly damp cloth, if
necessary.
FAULT/REMEDY
Fault
Device does not respond to
key presses, the display
shows
.
is shown on the display.
A function, such as the
bedtime light, does not
switch off automatically.
Device is working
incorrectly, status or
function unclear.
other liquids.
cleaning agents or the like to clean the
scale. Otherwise, the surface could be
scratched.
Possible cause
Hold down LOCK to
unlock the device.
The backup battery is
not inserted or must be
replaced.
You have set "ON" as
the time period in the
settings.
Disconnect the device
from the power supply
for a moment.
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