Interpreting power supply LEDs
Use the following table to interpret the LEDs on your system power supplies.
Table 14. Power supply LED descriptions
Amber
(AC IN)
Green
(PWR)
Description
On
On
The AC power source is good and is powering the system.
On
Off
There is AC power present, but the power supply is not
operational.
On
Flashing
There is AC power present, but the power supply is not enabled.
Off
Off
There is no power to this power supply.
Monitoring the fans
To monitor the fans, check the console error messages and look at the Status LED
on each fan module. .
Table 15. Fan LED descriptions
LED
description
Description
Orange
flashing
The fan failed.
n70hw017
Power supply
PSU LEDs
Figure 9. Power supply (PSU) LED locations
n70hw018
Fan LEDs
Fan
Figure 10. Fan LED locations
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