the light path diagnostics panel on the operator information panel or on the
system board is also lit to help isolate the error. This LED is controlled by the
IMM2.
Light path diagnostics panel
The light path diagnostics panel is located on the top of the operator information
panel.
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 panel, press the blue release latch on the
operator information panel. Pull forward on the panel until the hinge of the operator
information panel is free of the server chassis. Then pull down on the panel, so that
you can view the light path diagnostics panel information.
Release latch
Light path
diagnostics LEDs
Operator information
panel
The following illustration shows the controls and LEDs on the light path diagnostics
panel.
Light Path Diagnostics
Remind
Reset
Checkpoint
Code
Chapter 1. The System x3650 M4 server 17