M1
- The robot cleans an area repeatedly.
- The robot misses an area.
- The robot cannot dock.
- The robot fails to rechage.
- The suction power sounds weaker or the cleaning performance seems to degrade recently.
- The robot does not clean automatically at the scheduled time.
- The robot cannot charge.
- An unpleasant order occurs to the mop pad.
- Is the filter washable?
- The robot cannot update the firmware.