Quick answer
Power off, move it to firm level lawn, inspect wheels and underside, then correct the exact trap point.
Illustrative troubleshooting image; not a manufacturer product photo.
Fix it in this order
- Power off before moving.
- Document the trap location.
- Clean wheels and underside.
- Inspect soil roots gravel and slopes.
- Correct terrain or block the gap.
- Adjust boundary placement.
- Retest from several angles.
What usually causes this?
Ruts, soft soil, roots, gravel, low obstacles, narrow gaps, packed wheels, or boundary geometry can trap it.
How to verify the fix
The mower should leave the repaired location without wheelspin or another E4 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 Worx 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: Worx official support.
RobotMower.help is independent and is not affiliated with or endorsed by Worx. Product behavior can vary by model and firmware.