Quick answer
Turn off the main switch, follow battery guidance, wear gloves, and remove loose grass, string, sticks, or debris.
Illustrative troubleshooting image; not a manufacturer product photo.
Fix it in this order
- Shut down completely.
- Wear protective gloves.
- Remove loose obstruction.
- Inspect blades and screws.
- Check disc movement without forcing.
- Look for impact damage.
- Run a short dry test.
What usually causes this?
Wet packed grass, string, sticks, stones, bent blades, disc damage, bearing resistance, motor damage, or wiring faults can block it.
How to verify the fix
The disc should move as specified and a short test should run quietly without the message.
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.