Miele KFN 14827 SDE ed/cs Operating And Installation Instructions page 55

. . . the floor of the PerfectFresh zone
is wet.
The condensate drain hole is blocked.
^ Clean the condensate channel and
drain hole.
If you still cannot remedy the fault
having followed these suggestions,
please contact the Miele Service
Department.
To prevent unnecessary loss of
temperature it is advisable not to
open the doors while waiting for the
appliance to be serviced.
Problem solving guide
55