Light Path Diagnostics - IBM System x3750 M4 Type 8722 Installation And Service Manual

Light path diagnostics

The light path diagnostics LEDs are on the top of the operator information panel.
For additional information about light path diagnostics and LEDs, see "Light path
diagnostics" on page 156 and "Light path diagnostics LEDs" on page 159.
Note: The system service label on the underside of the cover also provides
information about the location of the light path diagnostics LEDs.
To access the light path diagnostics LEDs, press the blue release button on the
operator information panel and pull forward on the unit until the hinge of the
operator panel is free of the server chassis. Then pull down on the unit so that you
can view the light path diagnostics LEDs.
Light path
diagnostic
LEDs
The following illustration shows the LEDs and controls on the light path
diagnostics panel.
v Remind button: This button places the system-error LED on the operator
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System x3750 M4 Types 8722 and 8733: Installation and Service Guide
Operator information
Release
panel
button
Light Path Diagnostics
information panel into Remind mode. In Remind mode, the system-error LED
flashes once every 2 seconds until the problem is corrected, the server is
restarted, or a new problem occurs.