Error 455 on Roomba® means the dock's pump is not working properly, and the fluid cannot be distributed to the robot. To resolve the issue, simply unplug the dock and plug it back in. Then, try refilling again.
If the issue persists, the nozzle may be clogged. To clear a clogged nozzle, please follow these steps.
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Remove the robot from the dock and wipe out the pad washing basin with a clean, dry cloth. Ensure the drainage port is free of obstructions. For stubborn debris, use mild soap and a sponge.
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Roomba® Plus 400 & Plus 500 Series
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Roomba® Plus 600, Max 700, and Max 800 Combo
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Place the robot back onto its dock, making sure it is sitting on the base properly, with the charging contacts lined up.
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Roomba® Plus 400 & Plus 500 Series
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Roomba® Plus 600, Max 700, and Max 800 Combo
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Remove the clean water tank from the dock and make sure it is full. Reinsert the full clean water tank into the dock. Then try refilling the robot again.
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Roomba® Plus 400, Plus 500, Plus 600, and Max 800 Series
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Roomba® Max 700 Combo
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- If the error persists, please reboot the robot through the app, or by holding down the power button on the robot for 10 seconds. Hold the button again for 3 seconds to turn it back on. Doing so should clear the error from the robot's memory. Please also reboot the dock by unplugging it for a few seconds, then plugging it back in. Then test the robot one more time.
If you have performed all the troubleshooting steps but your dock still does not work properly, please contact iRobot Customer Care.
For expedited service, please have the following ready:
