Goods Scene Troubleshooting
iRobot AutoWash Dock Error 669 — mop servo stalled
The mop movement servo cannot complete its expected motion.
Issue meaning
What this issue means
The mop movement servo cannot complete its expected motion.
Start here
First checks
Stop the robot, remove debris from the mop pad and actuator path, verify the pad is installed correctly, then reboot and retry.
Inspection
Area to inspect
Mop servo/actuator, pad mount and movement path.
Goods Scene guidance
What to do next
If the actuator path is clear but Error 669 returns immediately, the servo or its drive electronics may require service.
Practical guidance is kept separate from manufacturer wording.