No-Beep Symptoms; Light Path Diagnostic Panel System Error Led - IBM 8676 - Eserver xSeries 335 Hardware Maintenance Manual And Troubleshooting Manual

Note: See "System" on page 112 to determine which components should be replaced by a field service technician.
Beep/symptom
4-4-4 (Optional system management
adapter not installed in slot 1 or not
functioning correctly)
Two short beeps
(Information only, the configuration
has changed)
Three short beeps
One continuous beep
Repeating short beeps

No-beep symptoms

Note: See "System" on page 112 to determine which components should be replaced by a field service technician.
No-beep symptom
No beep and the system
operates correctly.
No beep and no video (System
error LED is OFF)
No beep and no video (System
Attention LED is ON)

Light Path Diagnostic panel system error LED

The system-error LED is lit when an error is detected. If the system-error LED is lit,
remove the cover and check the diagnostic panel LEDs. The following table is a
complete list of diagnostics panel LEDs followed by the FRU or action for correcting
the problem. The information in the table is valid only when the system-error LED is
lit.
Notes:
1. If a diagnostics panel LED is lit and the information LED panel system-error
2. To locate the LEDs on the system board, see "System-board LEDs" on page 42.
3. Check the System Error Log for additional information before replacing a FRU.
4. The DIMM error LEDs, microprocessor error LEDs, and VRM error LEDs turn
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xSeries 335 Type 8676, Type 8830: Hardware Maintenance Manual and Troubleshooting Guide
FRU/action
1. Verify that the adapter is installed in slot 1.
2. Adapter.
3. System board.
1. Run Diagnostics.
2. Run the Configuration/Setup Utility program.
1. DIMM
2. System board
1. Microprocessor
2. Optional microprocessor (if installed)
3. System board
1. Keyboard
2. System board
FRU/action
1. System board
v See "Undetermined problems" on page 109.
v See "Light Path Diagnostic panel system error LED."
LED is off, there is probably an LED problem. Run LED diagnostics.
off when the system is turned off.