Chapter 12. Fault And Attention Leds - IBM pSeries 630 6C4 Service Manual

Chapter 12. Fault and Attention LEDs

The system's fault and attention LEDs can assist you in identifying failing components in your system.
Operator Panel Display
If a failing component is detected in your system, an amber-colored attention LED is turned on solid (not
blinking).
1 Power-On Button
2 Power LED
3 Attention LED
4 SCSI Port Activity
5 Ethernet Port Activity
Number Component Name
1 Power-On Button
2 Power LED
3 Attention LED
4 SCSI Port Activity
5 Ethernet Port Activity
6 Operator Panel Display
7 Front Serial Connector (FS1)
8 Service Processor Reset Switch
(Pinhole)
9 System Reset Button
6 Operator Panel Display
7 (FS1) Front Serial Connector
8 Service Processor Reset Switch
9 System Reset Button
Component Description
Turns the system power on and off.
Blinking - When connected to the power source (System is
in standby mode).
Solid - When power-on button has been pressed.
Note: There is approximately a 30-second transition period
from the time the power-on button is pressed until the power
on LED goes from blinking to on solid. During the transition
period, you may observe the blinking intervals accelerate.
Normal State - LED is off.
Normal State - LED is on when there is SCSI activity.
Normal State - LED is on when there is Ethernet activity.
Displays current status of system startup, or diagnostic
information in the event of a hardware problem.
Serial port uses RJ-48 connector. Use to plug in external
devices at the front of the system unit.
Service Personnel Use
Resets the system
(RJ-48 Connector)
(Pinhole)
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