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Control and Information Systems
The control and information systems consist of temperature displays,
an optical warning display and an acoustic warning.
The system warns if:
–the temperature in the freezer compartment is too high;
–functional faults with the appliance.

Temperature Warning

The red warning display flashes and an audible warning sounds, as soon
as the temperature in the freezer compartment is warmer than -12°C.
A rise in temperature may be caused by:
–frequent door opening for long periods of time;
–loading with large quantities of warm foods;
–high ambient temperature;
–an error of the appliance.
The audible warning can be switched off with the WARNING OFF but-
ton. Both warning display and audible warning are automatically
switched off, when the ACTUAL temperature in the freezer compart-
ment falls to the range of the display.
3The warning tone switches off automatically after one hour, even if the
ACTUAL temperature is still different to the DESIRED temperature. The
red warning light continues to flash.
Opening the Freezer Compartment Door
If the freezer compartment door is closed when the appliance is in
operation, it is possible that it cannot be immediately opened again. A
vacuum occurs in the freezer compartment which holds the door closed
until the pressure has been equalised. The door can be opened again
after several minutes.