Keywords: pdbi-trouble

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## Nothing Happens

Scans won't start, or LST does not run, etc...

- A major real-time program probably died. Use command WHY, it will tell you which. During working hours, try to call S.Guilloteau. Otherwise, use command `SETRESTART` in OBSto restart the missing program, and notify S.Guilloteau.
- If no major program is missing, and LST does not run, check the `CLOCK` micro: it may be necessary to reboot it.