husqvarna · Automower Technical Manual
This message indicates that the Automower has encountered an obstacle and become stuck or trapped. It might also be related to loose body screws or issues with collision sensors.
Click steps to track your progress.
Free the Automower from where it is caught and remove any obstacles.
Check the rear section of the body to ensure both rear screws are tightened correctly.
Lift the body from the rear to feel if it is secured; tighten screws if loose.
Check collision sensors via Tools - Test - Sensors (shortcut 5-2-5) to verify magnets and cabling.
If the mower indicates a collision without actual contact, inspect sensor magnets and cabling for defects.