Light Path Diagnostics - Lenovo ThinkSystem SR850 V2 Maintenance Manual

For more information about working with events from XClarity Administrator, see:
http://sysmgt.lenovofiles.com/help/topic/com.lenovo.lxca.doc/events_vieweventlog.html
Lenovo XClarity Controller event log
The Lenovo XClarity Controller monitors the physical state of the server and its components using sensors
that measure internal physical variables such as temperature, power-supply voltages, fan speeds, and
component status. The Lenovo XClarity Controller provides various interfaces to systems management
software and to system administrators and users to enable remote management and control of a server.
The Lenovo XClarity Controller monitors all components of the server and posts events in the Lenovo
XClarity Controller event log.
Figure 132. Lenovo XClarity Controller event log
For more information about accessing the Lenovo XClarity Controller event log, see:
http://sysmgt.lenovofiles.com/help/topic/com.lenovo.systems.management.xcc.doc/event_log.html

Light path diagnostics

Light path diagnostics is a system of LEDs on various external and internal components of the server that
leads you to the failed component. By viewing the LEDs in a particular order, you can often identify the
source of the error.
Information of failed components is often available on external LCD diagnostics handset.
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