NEC EXPRESS5800/120Re-2, Service Manual, Page: 198 / 238

5-20 Problem Solving
Beep Codes
If an error occurs during the POST, the server beeps, indicating the type of error.
Each number indicates the number of short beeps, and a hyphen indicates a pause. For
example, the beep interval 1-5-2-2 indicates 1 beep, pause, 2 beeps, pause, 2 beeps,
pause, and 3 beeps notifying that no processor is detected on the system board.
Table 5-2. Post Error Beep Codes
Beeps Error Recommended Action
1 Refresh timer error Contact your service representative to replace the system board
2 Parity error
3 Base memory failure
Check if the DIMM cards are mounted correctly. If the error still
occurs when the check result is normal, contact your service
representative to replace the DIMM card or system board.
4 System timer error Contact your service representative to replace the system
board.
5 Processor failure Contact your service representative to replace the processor or
system board.
6 Keyboard controller
error
Check if the keyboard is connected correctly.
Contact your service representative to replace the keyboard or
system board.
7 Processor exception
interrupt error
Contact your service representative to replace the processor or
system board.
8 Display memory
read/write error
Contact your service representative to replace the system
board.
9 ROM checksum error
10 Shutdown register
error
11 BIOS disabled
Contact your service representative to replace the system
board.
1-5-1-1 FRB failure Contact your service representative to replace the processor or
system board.
1-5-2-1 Processor type error Check if the type of the mounted processor is correct. If the
error still occurs when the check result is normal, contact your
service representative to replace the processor or system
board.
1-5-2-2 Processor not
detected
Check if the processor is mounted correctly. If the error still
occurs when the check result is normal, contact your service
representative to replace the processor or system board.
1-5-4-2 Power failure Contact your service representative to replace the power supply
unit, power jumper board, or system board.
1-5-4-3 Chip set control error Contact your service representative to replace the system
board.
1-5-4-4 Power control error Contact your service representative to replace the power supply
unit, power jumper board, or system board.