If the clean water tank and dirty water tanks are ready, you can start a mission through the Roomba® Home App by selecting mopping in the routine settings. Or simply press the robot’s power button.
Please note, there is no water tank on the Roomba® Plus 400 robot. The robot leverages the dock to wet the pad before the mission starts. The robot will return to its dock periodically when it needs more clean liquid added to the pad.
If the clean tank or dirty tank LED indicators are on, follow these steps to start mopping again:
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Lift to remove the tank that requires maintenance.
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Lift the latch on the tank to open.
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Empty the dirty tank. Fill the clean tank with water.
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Close and latch the water tank lids. Place the tanks back on the dock.
IMPORTANT: Ensure the latch is properly closed before reinstalling.
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With mop pads attached, return the robot to the AutoWash™ dock and use the app or press the button on your robot.
Pad Washing and Pad Drying
The AutoWash™ dock will flush debris or dirty water into the grey water tank. The pad washing station should be cleaned after about 50 pad washes to avoid built-up grime and clogs.
Your robot will return to its dock for pad washing as needed during cleaning routines and then again when cleaning is complete.
You can adjust how often the pad is washed in the app. Visit Robot Settings > Mop AutoWash Settings > Pad Wash Frequency
Pad drying will only take place at the end of its cleaning routine.
IMPORTANT: Do not interrupt the robot while pad washing is active. It is normal to hear noises throughout this process as the pads spin and the pad washing basin is filled and drained.
Once complete, the dock will proceed to dry the mop pads by blowing air over them.
NOTE: The drying process can last for a few hours. You can choose from different drying times in the app. You may hear a low hum coming from the dock while the dryer is active.
Visit the Roomba® Home App to manually start pad washing, start or stop pad drying, or customize pad washing settings.
The pad is attached with Velcro. Just peel it off to remove it. The pads are machine washable.
We recommend you replace the pad after 180 hours of cleaning. If you need to purchase a new pad, please visit the iRobot Store - Parts and Accessories.
Mop Pads Falling out / Won’t stay attached.
- If the mop tray falls off next to furniture or power cables, the root cause is collision and friction with surrounding obstacles. Reattach the mop tray, and the robot will return to normal operation.
- If the mop tray keeps falling off in open spaces, take off the mop tray and test by mounting it alternately on the left and right slots. If inserted correctly, you should hear a click.
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- You can also test magnet polarity by holding the two mop pad holders up to each other, facing opposite directions, to see if they attract. If they do attract and stick together, then one of the magnets is reversed and both pad plates may need to be replaced.
If the issue persists, please contact iRobot® Customer Care
