Quick answer
Place it safely inside, check loop connections, inspect crossed wires and islands, and test with a short simple loop.
Illustrative troubleshooting image; not a manufacturer product photo.
Fix it in this order
- Move the mower well inside.
- Check loop terminals.
- Inspect crossed sections.
- Check island wiring.
- Review environmental changes.
- Build a short test loop.
- Watch a perimeter run.
What usually causes this?
Reversed connections, crossed boundary wire, incorrect islands, weak signal, interference, nearby metal, or a loop-sensor fault can cause it.
How to verify the fix
The mower should identify the inside of the test loop and remain within the installed boundary.
Do not skip this check: repeat the affected action under supervision before restoring schedules.
Frequently asked questions
Should I reset it first?
No. Record the exact message and inspect the likely physical or connection cause first.
Should I replace a part immediately?
Only after official checks isolate that component.
When should I stop?
Stop for damaged wiring, unusual heat, swelling, burning odor, water inside electrical parts, or repeated hardware faults.
When to contact support
Contact Husqvarna support if the message returns after the official checks. Send the model, serial number, firmware version, photos, and a short video.
Source and scope
Primary reference: Husqvarna official support.
RobotMower.help is independent and is not affiliated with or endorsed by Husqvarna. Product behavior can vary by model and firmware.