Diagnostics Panel Leds - IBM xSeries 240 81Y Hardware Maintenance Manual

AC Power DC Power
LED LED
On On
On Off
Off Off

Diagnostics panel LEDs:

shows the LEDs on the diagnostics panel inside the
server. See "Light path diagnostics" on page 13 for
information on identifying problems using these LEDs.
Description and action
The power supply is on and
operating correctly.
There is a DC power problem.
Possible causes:
1. The Power Control button
on the front of the server is
in the Off position.
Action: Press the Power
Control button to start the
server.
2. The power supply has
failed.
Action: Replace the
power supply.
There is an AC power problem.
Possible causes:
1. There is no AC power to
the power supply.
Actions: Verify that:
The power cord is
properly connected to
the server.
The power outlet
functions properly.
2. The power supply has
failed.
Action: Replace the
power supply.
If the problem persists, go to
"Undetermined problems" on
page 210
The following illustration
191
xSeries 240