Light Path Diagnostics Panel - Lenovo System x3550 M4 Installation And Service Manual

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information panel or on the system board is also lit to help isolate the error. This LED is controlled by the

1. Depending on the type of operator information panel installed in your server, the Reset button is on the

operator information panel or the light path diagnostics panel.

2. You don't have to pull out the operator information panel to obtain more information if there's no release

latch existed in your server model.

Light path diagnostics panel

The light path diagnostics panel is located on the top of the operator information panel.

For additional information about the LEDs on the light path diagnostics panel, see "Light path diagnostics

LEDs" on page 124.

Note: The system service label inside the server 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.

Figure 9. Light path diagnostics panel exposure

The following illustration shows the LEDs and controls on the light path diagnostics panel.

The Lenovo System x3550 M4 server