Roborock Customer Service Center - Technical Support
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14. Q: What's the purpose of the small wheel on the rear of the water tank?
A: This is the follower wheel of the water tank that can improve the obstacle clearance capability
when a mopping module is installed.
15. Q: What's the movable wheel on the bottom front of the machine body?
A: This is the omni-directional wheel that can be rotated 360 degrees. It is designed with flexible
materials to effectively prevent scratching the floor.
16. Q: What's the purpose of the long transparent adhesive tape on the bottom of the main
brush cover?
A: The adhesive tape on the bottom of the main brush cover is the sealing strip. When the
machine runs, the sealing strip, together with the floor, forms a stable and closed high-static
pressure area to improve suction.
17. Q: What's the purpose of the six transparent windows on the bottom of the machine?
A: These are cliff sensors. The machine uses these six IR sensors to detect steep drops and
prevent the machine from falling.
18. Q: What's the purpose of the handful of black bristles on the side brush and main brush
covers?
A: This is a cushioning bundle to prevent hair from becoming entangled on such components.
It is a patented design and useful to prevent hair getting into the bearing and resulting in
overheating or jamming.
19. Q: What's the purpose of the black rubber pads on the two sides on the bottom of the main
brush cover?
A: These are the wear pads for the main brush cover. The soft rubber pads can effectively
prevent the main brush cover from touching the floor and scratching wooden floors.
