Lenovo x3530 M4 Installation And Service Manual page 126

The following illustration shows the operator information panel:
Figure 67. Operator information panel
2. To view the advanced operator information panel, press the blue latch on the right of the operator panel.
Lit LEDs on this panel indicate the type of error that has occurred. Look at the system service label
inside the server cover, which gives an overview of internal components that correspond to the LEDs on
the light path diagnostics panel. This information and the information in "Light path diagnostics LEDs"
on page 115 can often provide enough information to diagnose the error.
3. Remove the server cover and look inside the server for lit LEDs. Certain components inside the server
have LEDs that are lit to indicate the location of a problem. The following illustration shows the LEDs
on the system board.
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Lenovo System x3530 M4 Installation and Service Guide