Note:
See “System” on page 116 to determine which components should be replaced by a field service technician.
Beep/symptom
FRU/action
One long and one short beep
1.
Video adapter (if installed)
2. System board
One long and two short beeps
1.
Video adapter (if installed)
2. System board
One long and three short beeps
1.
Monitor
2. Video adapter, if installed
3. System board
Two long and two short beeps
v
Video adapter
No-beep symptoms
Note:
See “System” on page 116 to determine which components should be replaced by a field service technician.
No-beep symptom
FRU/action
No beep and the system
operates correctly.
1.
Check speaker cables.
2. Speaker.
3. System board.
No beeps occur after
successfully completing POST
(the power-on status is disabled)
1.
Run the Configuration/Setup Utility program, and set the Start Options
Power-On Status to enable.
2. Check the speaker connection.
3. System board.
No ac power
(power supply ac
LED is off)
1.
Check the power cord.
2. Power supply. (If two are installed, swap them to determine if one is
defective.)
3. Disconnect the ribbon cable from connector J25 on the system board. If the
AC power LED comes on, see “Undetermined problems” on page 111.
4. Power cage assembly.
No beep and no video
v
See “Undetermined problems” on page 111.
System will not start
(power
supply ac LED is on)
v
See “Power-supply LED errors” on page 100.
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
LED is off, there is probably an LED problem. Run LED diagnostics.
2. To locate the LEDs on the system board, see “System-board LED locations” on
page 49.
3. Check the System Error Log for additional information before replacing a FRU.
86
xSeries 345 Type 8670: Hardware Maintenance Manual and Troubleshooting Guide
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