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Symptom
The system stops with a 3-digit error code.
The system will not power on and no error codes are
available.
The power LEDs on the operator panel and the power
supply do not come on or stay on.
The power LEDs on the operator panel and the power
supply come on and stay on, but the system does not
power on.
A rack or a rack-mounted unit will not power on.
The cooling fans do not come on, or come on but do not
stay on.
The system attention LED on the operator panel is on
and there is no error code displayed.
An 888 sequence is displayed in the operator panel.
The operator panels OK and the fans are off.
The operator panel displays STBY.
All of the system POST indicators are displayed on the
system console; the system pauses and then restarts.
The term POST indicators refers to the device
mnemonics (the words memory, keyboard, network,
scsi, and speaker) that appear on the system console
during the power-on self-test (POST).
The system stops and all of the POST indicators are
displayed on the system console. The term POST
indicators refers to the device mnemonics (the words
memory, keyboard, network, scsi, and speaker) that
appear on the system console during the power-on
self-test (POST).
42
NAS Gateway 500 Service Guide
Action
Add 101- to the left of the three digits to create an SRN.
Go to the RS/6000 Eserver pSeries Diagnostic
Information for Multiple Bus Systems.
If there is a location code displayed under the 3-digit error
code, then look at the location to see if it matches the
failing component that the SRN pointed to. If they do not
match, perform the action from RS/6000 Eserver
pSeries Diagnostic Information for Multiple Bus Systems
first. If the problem still exists, then replace the failing
component from that location code.
Power and cooling problems
Go to "MAP 1520: Power" on page 58.
1. Check the service processor error log.
2. Go to "MAP 1520: Power" on page 58.
1. Check the service processor error log.
2. Go to "MAP 1520: Power" on page 58.
1. Check the service processor error log.
2. Go to "MAP 1520: Power" on page 58.
1. Check the service processor error log.
2. Go to "MAP 1520: Power" on page 58.
1. Check the service processor error log.
2. Go to "MAP 1520: Power" on page 58.
888 sequence in operator panel
Go to the Fast Path MAP in the RS/6000 Eserver
pSeries Diagnostic Information for Multiple Bus Systems.
Other symptoms or problems
The service processor is ready. The system is waiting for
power-on. Boot the system. If the boot is unsuccessful,
and the system returns to the OK, go to "MAP 1020:
Problem Determination" on page 49.
The service processor is ready. The system was shut
down by the operating system and is still powered on.
This condition can be requested by a privileged system
user with no faults. See the service processor error log
for possible operating system fault indications.
Go to "Boot problems or concerns" on page 122.
Go to "Boot problems or concerns" on page 122.
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