The dust box is not inserted.
Refit the dust box in the robot vacuum cleaner, making sure it clicks into position.
Fault F3 appears on the robot vacuum cleaner display.
Refit the dust box in the robot vacuum cleaner, making sure it clicks into position.
Check that the filter is fitted.
Remove the dust box.
Refit the dust box, making sure it clicks into position.
Repeat this step several times.
The filter needs to be replaced.
Please contact the Miele Customer Service Department.
Please contact the Miele Customer Service Department.