# O3R Diagnostics: overview
The O3R system allows for status monitoring via diagnosis information. Monitoring these information is a necessity during operation of the device.


This chapter is split into separate sections:

:::{toctree}
    :maxdepth: 2
Diagnostic error codes <diagnostic_sources>
Reaction strategies <diagnostic_reaction_strategy>
Diagnostic retrieval <DiagnosticRetrieval/index_diagnostic_retrieval>
Debugging with ifm support <debugging>
:::