Diagnostic Error Codes - IBM TotalStorage 300 Service Manual

Diagnostic Panel LED
NMI LED on
PCI A LED on
PCI B LED on
PCI C LED on
PS1 LED on
PS2 LED on
TEMP LED on (look at test cases)

Diagnostic error codes

Note: In the following error codes, if XXX is 000, 195, or 197 do not replace a
FRU/Action
1. Reboot the system.
2. Check the System Error Log.
1. PCI Card in slot 5.
2. Remove all PCI adapters from slots 1-5.
3. System Board.
1. Card in slots 3-5.
2. Remove all PCI adapters from slots 1-5.
3. System Board.
1. Remove all PCI adapters from slots 1-5.
2. System Board.
1. Check the DC Good LED on power supply 1. If off, replace power
supply 1.
2. Power Backplane.
1. Check the DC Good LED on power supply 2. If off, replace power
supply 2.
2. Power Backplane.
1. Ambient temperature must be within normal operating specifications.
2. Ensure fans are operating correctly.
3. Examine System Error Log.
a. System over recommended temperature
b.
1) Information LED Panel
2) System Board
c. DASD over recommended temperature (DASD LED also on)
1) Overheating hard drive
2) DASD Backplane
3) System Board
d. System over recommended temperature for CPU X (where X is CPU 1,
2,) (CPU LED also on)
1) CPU X
e. System Board over recommended temperature
4. If the CPU LED on the diagnostics panel is also on, one of the
microprocessors has caused the error.
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.
Chapter 4. Symptom-to-FRU index
49