IBM 8668 Hardware Maintenance Manual - Page 125

POST error codes, Error Code/Symptom

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AC Good LED On DC Good LED Off Description Standby mode or dc problem. On On Power is OK. FRU/Action 1. Check the cable connector, J33. Move jumper on J32's extension cable to pins 2-3 to bypass power control. If the DC Good LED comes on, press Ctrl+Alt+Delete. Watch the screen for any POST errors. Check the System Error Log for any listed problems. If the system powers up with no errors: a. Power Switch Assembly b. System Board 2. Remove the adapters and disconnect the cables and power connectors to all internal and external devices. Power-on the system. If the DC Good LED comes on, replace the adapters and devices one at a time until you isolate the problem. 3. Power Supply 4. System Board N/A POST error codes In the following error codes, X can be any number or letter. Error Code/Symptom FRU/Action 062 (Three consecutive boot failures using the 1. Run Configuration/Setup default configuration.) 2. Battery 3. System Board 4. Processor 101, 102 (System and processor error) 1. System Board 106 (System and processor error) 1. System Board 111 (Channel check error) 1. Failing ISA Adapter 2. Memory DIMM 3. System Board 114 (Adapter read-only memory error) 1. Failing Adapter 2. Run Diagnostics 129 (Internal cache error) 1. Processor 2. Optional Processor (if installed) 3. System Planar 151 (Real time clock error) 1. Run Diagnostics 2. Battery 3. System Board 161 (Real time clock battery error) 1. Run Configuration/Setup 2. Battery 3. System Board Symptom-to-FRU index 117

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AC Good LED
DC Good LED
Description
FRU/Action
On
Off
Standby mode or dc
problem.
1.
Check the cable connector, J33.
Move
jumper on J32’s extension cable to pins 2-3
to bypass power control. If the DC Good
LED comes on, press Ctrl+Alt+Delete.
Watch the screen for any POST errors.
Check the System Error Log for any listed
problems. If the system powers up with no
errors:
a.
Power Switch Assembly
b.
System Board
2.
Remove the adapters and disconnect the
cables and power connectors to all internal
and external devices. Power-on the system.
If the DC Good LED comes on, replace the
adapters and devices one at a time until
you isolate the problem.
3.
Power Supply
4.
System Board
On
On
Power is OK.
N/A
POST error codes
In the following error codes,
X
can be any number or letter.
Error Code/Symptom
FRU/Action
062
(Three consecutive boot failures using the
default configuration.)
1.
Run Configuration/Setup
2.
Battery
3.
System Board
4.
Processor
101, 102
(System and processor error)
1.
System Board
106
(System and processor error)
1.
System Board
111
(Channel check error)
1.
Failing ISA Adapter
2.
Memory DIMM
3.
System Board
114
(Adapter read-only memory error)
1.
Failing Adapter
2.
Run Diagnostics
129
(Internal cache error)
1.
Processor
2.
Optional Processor (if installed)
3.
System Planar
151
(Real time clock error)
1.
Run Diagnostics
2.
Battery
3.
System Board
161
(Real time clock battery error)
1.
Run Configuration/Setup
2.
Battery
3.
System Board
Symptom-to-FRU index
117