Beep Codes - NEC N8100-14522F User Manual

8-12 Troubleshooting

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 1-3-1-1 indicates 1 beep, pause, 3 beeps, pause, 1 beep, pause, and 1 beep notifying
that the DRAM refresh test error occurred.
Beep code Description
1-2 Option ROM initialization
error
3-3 ROM checksum error
1-2-2-3
1-3-1-1 DRAM refresh test error
1-3-1-3 Keyboard controller error
1-3-3-1 No memory or capacity
check error
1-3-4-1 DRAM address error
1-3-4-3 DRAM test Low Byte
error
1-4-1-1 DRAM test High Byte
error
1-5-1-1 CPU startup error
1-5-2-2 No CPU installed
1-5-4-2 AC power interrupted
1-5-4-4 Abnormal voltage
2-1-2-3 BIOS ROM copyright test
error
2-2-3-1 Unexpected interrupt test
error
Recommended action
1. Check if the optional add-in card is properly
installed.
2. Run the BIOS SETUP utility to check the IRQ
assignment.
3. Ask your service representative to replace the add-
in card or mother board..
Replace the mother board.
1. Check if the DIMM is properly installed.
2. Remove the DIMM once, and then re-install it to
check if it operates normally.
3. Ask your service representative to replace the failed
DIMM or mother board.
1. Check if the keyboard is properly connected.
2. Replace the mother board.
1. Check if the DIMM is properly installed.
2. Remove the DIMM once, and then re-install it to
check if it operates normally.
3. Ask your service representative to replace the failed
DIMM or mother board..
1. Check if the CPU is properly installed.
2. Remove the CPU once, and then re-install it to
check if it operates normally.
3. Ask your service representative to replace the failed
CPU.
The AC power supply is interrupted due to power
failure or momentary voltage drop and the system is
restarted. This is not an error.
Replace the mother board.
Replace the mother board.