The dust box is not inserted.
Refit the dust box in the robot vacuum cleaner, making sure it clicks into position.
Support for yourRobot Vacuum Cleaner
Fault F3
Fault F3 appears on the robot vacuum cleaner display.
The dust box is not registered.
Check whether the dust box is inserted.
Remove the dust box.
Refit the dust box, making sure it clicks into position.
If necessary, repeat this step several times.
The retainer of the dust box is worn or broken off, which means that the sensor does not detect the dust box.
The dust box needs to be replaced.
Contact Miele Customer Service.
The sensor is faulty.
Contact Miele Customer Service.
RX2 and RX3 – after troubleshooting, the fault message can be reset 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 sensor control in the control field of the robot vacuum cleaner for at least 3 seconds.
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