Hi5 controllermaintenanceHi5 Controller Maintenance Manual6. Troubleshooting6.1. Troubleshooting Solution6.1.23. E0223 (○ Axis) Encoder disconnection or communication failureOn this page6.1.23. E0223 (○ Axis) Encoder disconnection or communication failure6.1.23. E0223 (○ Axis) Encoder disconnection or communication failure 6.1.23.1. Outline6.1.23.2. Causes and examine methods