IBM 8671 - Eserver xSeries 235, Maintenance And Troubleshooting Manual

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Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Diagnostics panel LED FRU/action
TEMPERATURE 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
v
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 1 or 2)
(CPU LED is also on)
1) CPU x
2) System board
4. If the CPU LED on the diagnostics panel is also lit, 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 cage assembly, if installed.
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 stop the test.
197 Warning; a hardware failure might not have occurred.
For all error codes, replace the FRU or take the action indicated.
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Error code/symptom FRU/action
001-XXX-000
(Failed core tests)
v System board
001-XXX-001
(Failed core tests)
v
System board
001-250-000
(Failed system board ECC)
v
System board
001-250-001
(Failed system board ECC)
v System board
005-XXX-000
(Failed video test)
v
System board
011-XXX-000
(Failed COM1 serial port test)
v System board
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xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide