Roborock C1 CE - Manual (Page 17)

Troubleshooting
16
Fault display
Error 8: The machine gets stuck
When a runtime error occurs, the power indicator flashes in red quickly and a voice prompt is given.
Use the table below to eliminate this trouble
Solution
The machine may get stuck or caught. Please clear obstacles around
the machine;
Error 2: Please inspect the bumper
The bumper gets stuck. Please lightly tap to remove foreign matters for
several times; if no foreign matters are found, please move it to a new
location and start it;
Error 3: Please move the machine to a new
location and start it The wheel is suspended. Please move the machine to a new location
and start it;
Error 4: Cliff sensor error
The machine is suspended. Please move it to a new location and start it;
this problem may be caused when the cliff sensor is too dirty.
Please wipe the cliff sensor to eliminate this problem;
Error 5: Please clean the main brush
The main brush may be entangled with foreign matters. Please remove
the main brush and its bearing for cleaning;
Error 6: Please clean the side brush
The side brush may be entangled with foreign matters.
Please remove the side brush and cleaning it;
Error 7: Main wheel exception
The main wheel may be entangled with a foreign matter.
Please remove it and restart the machine;
Error 9: Please reinstall the dust bin and strainer
Please reinstall the dust bin and strainer and check that they are
installed in place; if the problem persists, try to replace the strainer;
Error 10: Please clean the strainer
The strainer may be blocked. Please clean it; if the problem persists,
please replace the strainer;
Error 11: High-intensity magnetic field detected
The machine is too close to the virtual wall when starting up.
Please move it to a new location and start it;