Goods Scene Troubleshooting

iRobot AutoWash Dock Error 520 — infrared communication problem

The robot and dock are not communicating correctly over their infrared communication link.

520iRobot Verified for Roomba AutoWash / multifunction docksDocking & Base StationRobot Vacuums & Docks

Issue meaning

What this issue means

The robot and dock are not communicating correctly over their infrared communication link.

Start here

First checks

Clean the robot and dock infrared windows, make sure the dock area is clear and the robot is aligned correctly, then reboot/power-cycle and retry.

Inspection

Area to inspect

Robot and dock infrared windows, alignment and communication path.

Goods Scene guidance

What to do next

Persistent Error 520 with clean unobstructed IR windows points toward the dock or robot IR communication hardware.

Practical guidance is kept separate from manufacturer wording.