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Navimow i2 AWD Error Code 6109: Mower Stuck Out of Boundary

Reviewed by RobotMower.help. Independent guidance based on the manufacturer documentation linked below.

Quick answer

Error 6109 points to position drift, wheel slip, an unsafe edge, or inaccessible return path. Power down, carry it inside the boundary, and resume on level ground. If it returns after one controlled retry, preserve the details and contact Navimow support.

Fix error 6109 in this order

1. Press STOP. Make the mower safe before touching or moving it.
2. Record the context. Note battery level, location, weather, and the task in progress.
3. Inspect externally. Check for position drift, wheel slip, an unsafe edge, or inaccessible return path.
4. Apply the first correction. Power down, carry it inside the boundary, and resume on level ground.
5. Run one supervised test. Use a short task and stay nearby.
6. Escalate a repeat fault. Stop repeated retries if 6109 returns.

What error 6109 means

The error identifies the system that reported a problem; it does not always prove that a part has failed. The most relevant first check is position drift, wheel slip, an unsafe edge, or inaccessible return path. Start with reversible external checks and the manufacturer reset sequence. An immediate repeat is useful evidence for support.

How to narrow down the cause

If it happens once

A one-time alert can follow a brief interruption, difficult terrain, temporary signal issue, or unusual operating state. Complete the safe steps and watch one short task.

If it happens in the same place

Inspect that location for obstacles, narrow clearance, slope, soft soil, walls, tree cover, and restrictive map geometry. Save a screenshot and mark the point.

If it happens everywhere

A yard-wide or immediate recurrence is less likely to be a single terrain issue. Record the serial number, firmware, app version, exact time, and a photo of the message.

Safety and common mistakes

Do not repeatedly reset the mower, improvise electrical tests, force wheels or moving parts, or open the battery pack and sealed electronics. Turn the mower fully off before checking the wheels, underside, sensors, or charging contacts.

Frequently asked questions

Can I keep mowing after 6109?

Only after the alert clears and the mower passes a short supervised test. Stop if movement, charging, positioning, or safety behavior is abnormal.

Does the code prove a part failed?

No. It identifies a system fault. A repeat after the official steps needs proper diagnosis.

Should I factory-reset or remap?

Not first. Preserve the map and diagnostic context unless support asks for a reset.

What should I send support?

Send the exact code, serial number, firmware and app versions, time, photos or video, and what happened immediately beforehand.

Related Navimow guides

• Navimow troubleshooting hub
• Robot mower error-code library
• Navimow i2 AWD error 7102
• Common Segway Navimow problems

Source and independence note

Primary source: Segway Navimow i2 AWD error-code documentation. RobotMower.help is independent and is not affiliated with Segway Navimow.