> For the complete documentation index, see [llms.txt](https://arpes-1-2.gitbook.io/arpes-1-2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://arpes-1-2.gitbook.io/arpes-1-2/manuals-arpes-1-2/experts-menu.md).

# Experts menu

Help for beamline scientists in troubleshooting

## After manipulator went crazy

#### ! Press red button immediately !

1. Close connection in MultiAx (tab Settings)
2. Manipulator -> OFF (button on the back panel, next to LL vacuum gauge)
3. Release the red button
4. Wait 30 seconds
5. Manipulator -> ON
6. Watchdog -> OFF. You will need admin password for this.
7. Open connection in MultiAx
8. [Recalibrate axis](/arpes-1-2/manuals-arpes-1-2/starting-the-experiment/multiax-manipulator-control/calibration-of-manipulator-axes.md)
9. Watchdog -> ON.