Miele KFN 7734 F Operating Instructions Manual page 70

Problem solving guide
Problem
70
Cause and remedy
After a while, the temperature will return to normal by
itself.
If a thick layer of ice has already formed, this will af-
fect cooling and increase energy consumption.
 Defrost the refrigeration appliance and clean it.
The ambient temperature is too high. The higher the
ambient temperature, the longer the compressor
runs.
 See the information in "Installation – Installation
site".
The refrigeration appliance was not properly installed
in the niche.
 Install the refrigeration appliance in the niche as
described in the installation instructions supplied
with it.
The temperature setting in the refrigeration appliance
is too low.
 Correct the temperature setting.
A large amount of food is being frozen at once.
 See "Freezing and storing food".
The SuperCool function  is still switched on.
 Switch off the SuperCool function  earlier to
save energy.
The SuperFreeze function  is still switched on.
 Switch off the SuperFreeze function  earlier to
save energy.