Miele KFN 37452 iDE Operating And Installation Instructions page 78

Problem solving guide
Message
The  symbol lights up
in the display, the
appliance does not get
cold, although the
controls and the interior
lighting are working.
78
Cause and remedy
Demo mode is switched on. This allows the appliance
to be presented in the showroom without the cooling
system being switched on. Do not activate this setting
for domestic use.
 Switch off Demo mode (see "Information for
dealers - Demo mode").