Starting Problem Analysis - IBM Application System/400 Service Information

Starting Problem Analysis
Perform all problem analysis from within this book. Do not perform on-line problem analysis unless
instructed to do so by the procedures in this book. When on-line problem analysis identifies a
failing item, use the "Online Failing Item Cross Reference List" on page 2-63 .
Note: Record the IPL type and mode (function 01) and return the system to this IPL type and mode
(function 02) when the service call is complete.
1
Perform the following:
a. Find the problem in the "Symptom" column of Table 1-1
b. Follow the instruction in the "What You Should Do" column.
Table 1-1 (Page 1 of 3). Start Table
Symptom
There is a system reference code (SRC) displayed on
the system control panel (function 11) or on the
console.
System operator messages indicate damaged objects
are present on the system.
A message is shown on the console or on any display
station.
Note: Possible message sources are:
• Reported by the user
• Reported by the operator
• Shown on a display station
You cannot power on the system.
1-2
AS/400 9401 Service Information
What You Should Do
Collect all information about the failure (use
Appendix 0, "Problem Summary Form" on page 0-1
and fill out the form).
Then, go to Chapter 2, "Unit Reference Codes" on
page 2-1.
Perform the action indicated in the additional message
information for the message. Check for disk failures in
the error log indicating which disk unit is causing the
problem. Exchange the disk unit, see "Disk Unif on
page 4-7. If there are no disk failures in the error log,
ask software support for assistance.
Go to a display station and perform the action indi-
cated in the additional message information.
When on-line problem analysis identifies a failing item,
use the "Online Failing Item Cross Reference List" on
page 2-63.
Is the background light for the Data display on the
control panel on?
Note: The background light is a dim (yellow) light in
the Data area on the control panel.
Yes No
~
Ensure that the AC power switch at the rear
of the system is on.
Ensure that power is available at the
customer's power outlet.
The problem is either in the chassis or the
line cord. Exchange the chassis, type 0000
(see ''Type and Part Number List" on
page 2-62) or see F102205.
Exchange the chassis (type 0000).