Power Supply Led - Lenovo ThinkSystem D3 User Manual

Power supply LED

This topic provides information about various power supply LED status and corresponding action
suggestions.
The following table describes the problems that are indicated by various combinations of the power-supply
LED and the power-on LED and suggested actions to correct the detected problems.
Figure 9. Power supply LED
Description
LED
The power supply status LED can be in one of the following states:
• Green: The power supply is connected to the AC power source and working normally.
• Off: The power supply is disconnected from the AC power source.
• Slow blinking green (about one flash every second): The power supply is in PSU standby
1
Power supply
state with AC present, cold standby state, or always standby state.
status
• Amber: The AC power cord is unplugged, AC power lost (with a second power supply in
parallel still in AC power input power), or power supply has failed. To resolve the issue, replace
the power supply.
• Slow blinking amber (about one flash every second): Power supply warning events where
the power supply continues to operate.
.
Chapter 2 D3 Chassis components
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