Roomba Error 11: Troubleshoot & Fix Guide

If you are experiencing Error 11 with your Roomba, you may need to clean the cleaning head module motor. To do this, follow these steps: (sponsored part:https://amzn.to/3IIXYBm)
Remove the five screws and cleaning brush to access the back cover of your Roomba.
Locate the silver suction motor (bottom right) and try spinning it a few times.
Use compressed air to blow out any debris that may be clogging the motor.
If cleaning the motor does not fix the Error 11 issue, you may need to replace the cleaning head module. If your Roomba is still under warranty, contact iRobot customer service for assistance. If not, you can order a replacement cleaning head module online and replace it yourself. Refer to the provided link for more information.