Power Supply Leds; Rear System Leds - Lenovo ThinkSystem SR675 V3 User Manual

Power supply LEDs

This topic provides information about various power supply LED status and corresponding action
suggestions.
The following minimal configuration is required for the server to start:
• One processor in socket 1
• One DRAM memory module in slots 6
• Two power supply units in bay 1 and 2
• One boot drive, M.2, 2.5-inch, EDSFF E1.S 5.9mm drive, or E3.S 1T drive and RAID adapter if configured.
(If OS is needed by debugging)
• Five system fans
• One OCP module with required cable (if network is required)
The following table describes the problems that are indicated by various combinations of the power-supply
LEDs and the power-on LED and suggested actions to correct the detected problems.
Figure 183. Power supply LEDs
Table 23. Power supply LEDs
Description
LED
The input status LED can be in one of the following states:
Input status
• Off: The power supply is disconnected from the AC power source.
1
• Green: The power supply is connected to the AC power source.
The output status LED can be in one of the following states:
• Off: The server is powered off, or the power supply is not working properly. If the server is
Output status
2
powered on but the output status LED is off, replace the power supply.
• Green: The server is on and the power supply is working normally.
• Off: The power supply is working normally
Fault LED
3
• Amber: The power supply may have failed. Dump the FFDC log from the system and contact
Lenovo back end support team for PSU data log reviewing.

Rear system LEDs

This topic provides information on system LEDs on the rear of the server.
.
Chapter 8 Problem determination
229