Roborock S4 Manuel Utilisateur page 24

Routine maintenance
Side brush
* Monthly cleaning recommended
1. Turn the robot over and remove the screw holding the side brush.
2. Remove and clean the side brush.
3. Reinstall the side brush.
Note: Side brush replacement every 3-6 months is recommended.
Restore factory settings
If the robot is not functioning after a system reset, turn it on, then
press the button. Then press and hold the Reset button until
you hear the "Start restoring initial version" voice alert. The robot
will then be restored to factory settings.
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Omnidirectional wheel
1. Turn the robot over and remove the omnidirectional wheel.
2. Remove any hair and dirt on the wheel and axle.
3. Press the wheel back into its mounting point.
Wheel
Axle
Rack
System reset
If the robot does not respond when you press a button or the robot
cannot be shut down, press the Reset button (see page 2). The robot
will then restart.
After a system reset, cleaning schedules, WiFi and other settings will be restored to
factory settings.
Firmware update
Firmware updates are carried out using your phone. Connect the
robot to the charging dock and ensure that the battery level is
higher than 20% before updating. The power indicator will flash
white quickly during the firmware update.
* Monthly cleaning recommended