| Error Code | Message | Likely Cause | Solution | | :--- | :--- | :--- | :--- | | | "Following error exceeded" | PID gains too low or mechanical binding | Run Auto-tune wizard under Servo Tuner. Increase Kp gain by 10% iteratively. | | E-207 | "EtherCAT lost sync" | Network jitter or broken cable | Check shielded Ethernet cable. In software, increase Sync Window to 20 µs (Settings > Fieldbus). | | W-102 | "Soft limit warning" | Program commanded move beyond limit | Review axis limits in configuration. Use MOVE_ABSOLUTE with bounds checking. | | E-880 | "Firmware mismatch" | Controller firmware older than software version | Use Firmware Manager to upload the correct .bin file. Power cycle the M700. | | C-005 | "Compile: Symbol not found" | Typo in variable name | Check case sensitivity. PickX is not the same as Pickx . Use Ctrl+Space for auto-complete. |
If the software fails to detect your M700 controller, check Windows Firewall. The software uses UDP ports 1200-1210 for discovery. Add an inbound rule allowing NOSDiscoveryService.exe . nos m700 software