Miele F 1801 SF Operating And Installation Instructions page 38

Frequently asked questions
Alarm / Indicator warnings
Issue
The alarm is going off.
The alarm is ringing and
the "alarm" indicator is
flashing.
The filter display is red.
The filter display is
flashing red.
38
Possible fault
The appliance door(s)
have been open for
longer than 5 minutes.
The door is not closed.
A large amount of food is
being frozen at the same
time.
There has been a power
failure.
This is a warning that the
water filter needs to be
changed soon.
The water filter needs to
be changed.
Solution
Close the door.
Once the alarm condition
has been corrected, the
alarm will turn off and the
"alarm" indicator will stop
flashing.
Order replacement filters
from Miele.
See "Exchanging the
water filter".