Navimow error 4210 is reported as a Network RTK connection error. The mower is not reliably receiving the correction data required for Network RTK positioning. Quick answer: Confirm the mower is online, refresh the app, verify Network RTK is available and selected, then test in an open area. Do not remap until the connection and

Navimow X4 error 9105 indicates an internal program crash. Clear the code, restart correctly, dock for stable power, and know when to stop.

Navimow X4 error 9103 means the mower cannot read its internal database. Use the correct reset and docking sequence without deleting your map.

Navimow X4 error 9101 means required interface data could not be retrieved. Clear, restart, dock, and document persistent communication trouble.

Navimow X4 error code 9111 means the mower is failing to charge. Check the charging area and station placement before contacting support.

Navimow X4 error 7106 indicates a GNSS module fault. Clear the code, restart safely, and learn when positioning trouble needs support.