No-Beep Symptoms; Diagnostic Panel System Error Led - IBM Xseries 345 8670 Maintenance Manual

Note: See "System" on page 116 to determine which components should be replaced by a field service technician.
Beep/symptom
One long and one short beep
One long and two short beeps
One long and three short beeps
Two long and two short beeps

No-beep symptoms

Note: See "System" on page 116 to determine which components should be replaced by a field service technician.
No-beep symptom
No beep and the system
operates correctly.
No beeps occur after
successfully completing POST
(the power-on status is disabled)
No ac power (power supply ac
LED is off)
No beep and no video
System will not start (power
supply ac LED is on)

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 LED locations" on
3. Check the System Error Log for additional information before replacing a FRU.
86
xSeries 345 Type 8670: Hardware Maintenance Manual and Troubleshooting Guide
FRU/action
1. Video adapter (if installed)
2. System board
1. Video adapter (if installed)
2. System board
1. Monitor
2. Video adapter, if installed
3. System board
v Video adapter
FRU/action
1. Check speaker cables.
2. Speaker.
3. System board.
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.
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.
v See "Undetermined problems" on page 111.
v See "Power-supply LED errors" on page 100.
LED is off, there is probably an LED problem. Run LED diagnostics.
page 49.