IBM G27, User Reference

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Appendix D. Symptom-to-part index
The symptom-to-part index lists symptoms, errors, and the possible causes. The
most likely cause is listed first.
The POST BIOS displays POST error codes and messages on the screen.
Note: You must connect a keyboard, mouse, and monitor to your appliance in
order to see error messages. If the engine does not recognize the monitor,
keyboard, and mouse, reboot the engine while they are connected. If a
Remote Supervisor Adapter is used for system management, the logs can be
accessed remotely.
Use Table 17 to locate a type of symptom.
Table 17. Error symptoms index
Symptom Located on page
Beep 123
No beep 126
Diagnostic error codes 131
Error 135
POST error codes 140
Fan error messages 146
Power supply 146
Power error messages 148
SCSI error codes 148
Bus fault messages 149
DASD checkout 149
Engine shutdown 149
Temperature error messages 150
Host Built-In Self-test 151
Undetermined problems 151
Beep symptoms
Beep symptoms are short tones or a series of short tones separated by pauses
(intervals without sound). Table 18 on page 124 shows an example of beep
symptoms. See Table 19 on page 124 for a listing of the beep symptoms.
Note: One beep after successfully completing POST indicates the appliance engine
is functioning correctly.
© Copyright IBM Corp. 2002
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