IBM System x3550 M5 Type 5463 User Manual

AC power-supply LEDs
Description Action NotesAC DC Error (!)
On Off Off Power-supply not
fully seated, faulty
system board, or
the power supply
has failed.
1. Reseat the power supply.
2. Use the IBM Power
Configurator utility to ensure
current system power
consumption is under
limitation. For more
information and to download
the utility, go to
http://www-03.ibm.com/
systems/bladecenter/
resources/powerconfig.html.
Typically indicates a
power-supply is not
fully seated.
On Off On The power supply
has failed.
Replace the power supply.
On On /
Blinking
On The power supply
has failed.
Replace the power supply.
Note: When the DC LED is blinking at a 1Hz rate, the PSU is at STANDBY mode,
i.e. no DC power output from this PSU.
System pulse LEDs
Use this information to diagnose possible errors that are indicated by the system
pulse LEDs.
The following LEDs are on the system board and help you to monitor the system
power-on and power-off sequencing and boot progress (see “System-board LEDs”
on page 30 for the location of these LEDs).
Table 4. System pulse LEDs
LED Description Action
FPGA heartbeat Power-on and power-off
sequencing.
1. If the LED blinks at 1Hz, it is functioning
properly and no action is necessary.
2. If the LED is not blinking, (trained
technician only) replace the system board.
Chapter 3. Troubleshooting 71

IBM System x3550 M5 Type 5463 Specifications

General

Brand	IBM
Model	System x3550 M5 Type 5463
Category	Server
Language	English