RobotHX200L / HX200L-2000 / HX300 / HX300L / HX400 / HX5006. Troubleshooting6.3. Diagnostics and Resolutions for Major Parts FailureOn this page6.3. Diagnostics and Resolutions for Major Parts Failure6.3. Diagnostics and Resolutions for Major Parts Failure 6.3.1. Fulcrum Bearings6.3.2. Reducer6.3.3. Brakes6.3.4. Motor6.3.5. Encoder