IBM 3745 Series Service Functions page 56

FRU Correlation
Messages That Can Be Displayed
Depending on the case, various combinations of the following messages can be
displayed on the reference code interpretation FRU list screen:
• At the bottom of the screen, one or two lines called
OTHER CAUSES TO BE SUSPECTED
can be displayed to give more information.
• If multiple FRUs are suspected the following message is displayed:
WHEN APPLICABLE (SEVERAL SIMILAR ATTACHED RESOURCES):
IF ONE RESOURCE IN ERROR, CONSIDER ONLY THE RELATED FRU(S)
This message is applicable when several similar resources are attached.
• For BG or RG type reference code the following message is displayed:
LIST COULD BE WRONG IF A CONFIGURATION CHANGE IN THE AREA
ALONG WITH A CDF UPGRADE HAVE BEEN DONE AFTER THIS ERROR
Additional Information for T88, HPT88, or
E88 FRUs
• Press F7 to return to the reference code inter-
pretation (screen
III
on page 2-10).
BER Range FRU Correlation
1. You must be in the BRC function (see page
2-10). From this function, press F5. Screen
13
is displayed
2. Enter in
0
the SEL# of the most recent BER
in the range you have selected.
3. Enter in
D
the SEL# of the oldest BER in the
range.
4. Press SEND. Screen
D
is displayed.
Note: Remember that BER 03 (diagnostics) and
alarm BERs are not taken into account by this
function.
ADDITIONAL INFORMATION FOR TSS FRUS
SUSPECTED FRU: CSN OlGII1l2
LINES 368 • ]83 DRIVEN BY LA
LINES a • 15 DRIVEN BY LA
SUSPECTED FRU: FESl4
01GAl~12
LINES 368 - ]83 DRIVEN 8Y LA
LINtS 0 - 15 DRIVEN BY LA
fl :END f2:fltNU2 f3:A .• ARM
ARE ASSO:IAED
ARE ASSOCIAED
ARt ASSOCIAT,D
AKf ASSOCIAT,D
F7:REFEQENcE C~DE I'IHRPRtTATION
Figure 2-11. Additional Information for TSS FRUs
Screen (Example)
13
BER REF CODES
FRU CORRELATION
ENTER LATEST BER NIJIBER
ENTER OLDEST BER NIJIBER
==>
0
==>
fJ
WARNING: USE ONLY IF UNSUCCESSFUL REPAIR BY REFCODE INTERPRETATION.
(CAN SHOW ADDITIONIIL CALLED FRUs THRU BERs wITH NO ALIIRI'I)
DIAGNOSTIC ERROR BERs ARE EXCLUDED FROH CC,RELATIOtl RESULT.
SELECT THE BER RIINGE CAREFULLY ACCORDP,G TO THE PROBLEM:
DON'T MIX BERs UNRELATED WITH YOUR RESCJRCE (5) IN ERROR.
THE OLDEST BER SHOULD BE THE FIRST ONE JCCURRItIG IN TIt-IE,
THE LAST MUST BE IN THE SA"'E TIME FRAME (WITHIN 2 MN).
AVCID INCLUDING flOSS 8ER TYPE 01 WITH C'HER TYPES.
IF IMPOSSIBLE THEN DIRECTLY INTERPRET REFCODES OF BERs.
Fl :END F2:mNU2 F3:ALARfl
F5:REFERE'ICE CODE INTERPRETATION
Figure 2-12. FRU Correlation Selection Screen
Chapter 2. Analyzing BERs (Box Event Records)
2-11