IBM 8668 Hardware Maintenance Manual - Page 119

Diagnostic error codes, do

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Diagnostic Panel LED TEMP LED on FAN LED on FRU/Action 1. Ambient temperature must be within normal operating specifications. See"Features and specifications" on page 3. 2. Ensure fans are operating correctly. 3. Examine System Error Log. a. System over recommended temperature 1) Information LED Panel b. DASD over recommended temperature (DASD LED also on) 1) Overheating hard drive 2) DASD Backplane c. System over recommended temperature for CPU X (where X is CPU 1, 2) (CPU LED also on) 1) CPU X 2) System Board d. I/O Legacy Board over recommended temperature 4. If the CPU LED on the diagnostics panel is also on, one of the microprocessors has caused the error. 1. Check individual fan LEDs. 2. Replace respective fan. 3. Fan Cable. 4. System Board. 5. Power Backplane Board. Diagnostic error codes Note: In the following error codes, if XXX is 000, 195, or 197, do not replace a FRU. The description for these error codes are: 000 The test passed. 195 The Esc key was pressed to abort the test. 197 This is a warning error and may not indicate a hardware failure. For all error codes, replace/follow the FRU/Action indicated. Error Code/Symptom FRU/Action 001-XXX-000 (Failed core tests) 1. System Board 001-XXX-001 (Failed core tests) 1. System Board 001-250-000 (Failed System Board ECC) 1. System Board 005-XXX-000 (Failed Video test) 1. System Board 011-XXX-000 (Failed COM1 Serial Port test) 1. System Board 011-XXX-001 (Failed COM2 Serial Port test) 1. System Board 014-XXX-000 (Failed Parallel Port test) 1. System Board 015-XXX-001 (Failed USB test) 1. System Board Symptom-to-FRU index 111

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Diagnostic Panel LED
FRU/Action
TEMP LED on
1.
Ambient temperature must be within normal operating specifications.
See“Features and specifications” on page 3.
2.
Ensure fans are operating correctly.
3.
Examine System Error Log.
a.
System over recommended temperature
1)
Information LED Panel
b.
DASD over recommended temperature (DASD LED also on)
1)
Overheating hard drive
2)
DASD Backplane
c.
System over recommended temperature for CPU X (where X is CPU 1,
2) (CPU LED also on)
1)
CPU X
2)
System Board
d.
I/O Legacy Board over recommended temperature
4.
If the CPU LED on the diagnostics panel is also on, one of the
microprocessors has caused the error.
FAN LED on
1.
Check individual fan LEDs.
2.
Replace respective fan.
3.
Fan Cable.
4.
System Board.
5.
Power Backplane Board.
Diagnostic error codes
Note:
In the following error codes, if
XXX
is
000
,
195
, or
197,
do not
replace a
FRU. The description for these error codes are:
000
The test passed.
195
The
Esc
key was pressed to abort the test.
197
This is a warning error and may not indicate a hardware failure.
For all error codes, replace/follow the FRU/Action indicated.
Error Code/Symptom
FRU/Action
001-XXX-000
(Failed core tests)
1.
System Board
001-XXX-001
(Failed core tests)
1.
System Board
001-250-000
(Failed System Board ECC)
1.
System Board
005-XXX-000
(Failed Video test)
1.
System Board
011-XXX-000
(Failed COM1 Serial Port test)
1.
System Board
011-XXX-001
(Failed COM2 Serial Port test)
1.
System Board
014-XXX-000
(Failed Parallel Port test)
1.
System Board
015-XXX-001
(Failed USB test)
1.
System Board
Symptom-to-FRU index
111