RobotHX200L / HX200L-2000 / HX300 / HX300L / HX400 / HX5006. Troubleshooting6. Troubleshooting 6.1. Troubleshooting Procedure6.2. Trouble Symptoms and Possible Causes6.3. Diagnostics and Resolutions for Major Parts Failure6.4. Motor Replacement6.5. Encoder Zero Setting