Lenovo System x3500 M5 Type 5464, Installation And Service Manual

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Table 12. Light path diagnostics panel LEDs (continued)
LED Description Action
• (Trained technician only) System board (see
“Removing the system board” on page 288 and
“Installing the system board” on page 291).
2. Check the system-event logs for information about
the error.
3. Replace the failing component:
• Battery
• Microprocessor 2 expansion board
• Power paddle card
• (Trained technician only) System board
Look at the system service label on the top of the server, which gives an overview of internal components
that correspond to the LEDs on the light path diagnostics panel. This information can often provide enough
information to diagnose the error.
Power-supply LEDs
This section describes the power-supply LEDs on the rear of the server and the suggested actions to
correct the detected problems.
The following illustration shows the power-supply LEDs on the rear of the server.
Figure 95. Power-supply LEDs on the rear of the server
00 00 00 00
00 00 00 000
000
000
000 00 00
Ethernet link LED
Ethernet activity LED
Error
(Amber)
DC power
(Green) AC power
(Green)
The following table describes the problems that are indicated by various combinations of the power-supply
LEDs and the system power LED on the operator information panel and suggested actions to correct
the detected problems.
Chapter 4
.
Troubleshooting
137