Miele HS18 - Error F7: Internal system error; Error F8: Front wheel dirty; Resetting error messages

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Problem Cause and remedy
F 7 Internal system error or fault with the robot vacuum
cleaner outside of its permitted ambient operating
temperature.
 Switch the robot vacuum cleaner off and on again
(I/0 switch).
F 8 „Front wheel dirty“ error
 Check whether the front wheel, the cover or the
slot depression have become dirty. Remove any
threads and hair, and clean the front wheel, the
cover and the depression.
Resetting the error
message after fixing
the problem
You can reset the error messages described
above in the following ways
– Switch the robot vacuum cleaner off and on again
(I/0 switch).
– Press the Power button on the remote control.
– Press the  button in the display for at least three
seconds.