Power-Supply Leds - Lenovo x3530 M4 Installation And Service Manual

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 minimum configuration is required for the DC LED on the power supply to be lit:
• Power supply
• Power cord
The following minimum configuration is required for the server to start:
• One microprocessor in microprocessor socket 1
• One 2 GB DIMM (per microprocessor) on the system board
• One power supply
• Power cord
• Four cooling fans
The following illustrations show the locations of the power-supply LEDs for fixed and redundant models
respectively.
Figure 71. Power-supply LEDs locations
The following table describes the problems that are indicated by various combinations of the power-supply
LEDs and the power-on LED on the operator information panel and suggested actions to correct the
detected problems.
119
.
Chapter 4 Troubleshooting