Xiaomi Water Flow Control or Mop Pad Saturation Issue

Robot vacuum leaves streaks of water, puddles, or uneven wet patches when mopping.

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Possible Causes

Water tank valve stuck open, Worn or incorrect mop pad, Clogged water outlet, Incorrect water level setting in app

How to Fix / Troubleshooting

Safety first: Turn off the robot and remove the water tank. Avoid water contact with electrical connectors.

  • 1. Check water level settings:
    • In the Xiaomi Home app, adjust the water flow level to a lower setting and test.
  • 2. Inspect mop pad:
    • Ensure the mop pad is correctly attached and not overly worn.
    • Wash or replace the pad if heavily soiled.
  • 3. Inspect tank outlets:
    • Check the rubber valves and outlets on the tank for debris.
    • Clean gently with a soft brush.
  • 4. Test for leaks:
    • Fill the tank and leave it off the robot on a dry surface for 15–20 minutes.
    • If water drips without the pump running, replace the water tank.
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Repair Difficulty

Very Easy 1/5

Required Part

Water Tank Assembly
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