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Fixing mopping problems – Combo models and Braava

Fix mopping issues with your robot.

Fixing mopping problems

If your robot doesn't mop properly, leaves water marks or the mopping function doesn't start, follow the steps below.

Step 1: Check the mopping pad or roller

  • Roomba Combo (all models): Check that the mopping pad is correctly inserted. It should click into place.
  • Braava 300 series: Check that the cleaning cloth is properly attached to the cleaning plate.
  • Braava Jet 250: Make sure the disposable or reusable mopping pad is correctly inserted.
  • Braava Jet m series: Check that the mopping pad is properly attached and moist enough.
  • Replace heavily soiled or worn mopping pads with new ones.

Step 2: Check the water tank

  • Make sure the robot's water tank is filled (for Combo models and Braava Jet).
  • Check that the tank is correctly inserted and seals properly.
  • Use only clean water – no cleaning agents unless expressly approved by the manufacturer.

Step 3: Check the AutoWash™ Dock (if applicable)

  • Applies to: Plus 405, Plus 406, Plus 505, Max 705.
  • Check that the clean water tank in the dock is filled and the dirty water tank is emptied.
  • Clean the wash roller in the dock regularly.
  • Make sure the dock is properly connected to the power supply.

Step 4: Check the mopping mode

  • In the iRobot HOME app, make sure the mopping mode is enabled (wet or dry).
  • For Combo models: check whether the robot automatically detects mopping mode when the pad is inserted.
  • Adjust the moisture level in the app (low, medium, high), if available.

Step 5: Prepare the floor

  • Remove loose objects and coarse debris before mopping.
  • On very smooth floors, it may help to run the vacuuming mode first and then mop.

If nothing helps

Contact iRobotics customer service at service@irobotics.ch or via the iRobot HOME app.

Applicable models

Applies to: Roomba Combo, 105, 115, 205, Plus 405, Plus 406, Plus 505, 575, Max 705, Braava 300 series, Braava Jet 250, Braava Jet m series.