Lenovo ThinkSystem SR635 V3 - Power Supply Leds

Status Color Description Action
On
Yellow An error has been detected on the server.
Causes might include but are not limited to
the following errors:
• A fan failure
• A memory error
• A storage failure
• A PCIe device failure
• A power supply failure
• A processor error
• A system I/O board or processor board
error
• Check the Lenovo XClarity Controller
event log and the system event log to
determine the exact cause of the error.
• Check if additional LEDs elsewhere in the
server are also lit that will direct you to the
source of the error. See
“Troubleshooting
by system LEDs and diagnostics display”
on page 292
.
• Save the log if necessary.
Off None The server is off, or the server is on and is
working correctly.
None.
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
• One memory module in slot 7
• One power supply
• One HDD/SSD drive or one M.2 drive (if OS is needed for debugging)
• Five system fans
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.
Note: Depending on the power supply type, your power supply might look slightly different from the
following illustration.
Figure 214. Power supply LEDs
296 ThinkSystem SR635 V3 User Guide