iRobot Roomba 595 Pet Series Troubleshooting - iFixit
How to Fix the Roomba Error 6 Trouble Code - Dengarden
Any help will be appreciated roomba 675 model (i have moved it to a new location heck a new country even and yet its still the same error error 6) : r/roomba
Troubleshooting Your Roomba - How to Correct Error Codes