NEC Express5800/120Rh-2 N8100-1126F - Manual (Page 256)

8-20 Troubleshooting
The system does not restart automatically when a stop error occurs, though the system is
adjusted to automatically restarting.
→ When the system does not restart automatically, restart it manually.
The system restarts automatically when a stop error occurs, though the system is NOT
adjusted to automatically restarting.
→ There is no problem about this issue.
Check the System Event Log to confirm that STOP error occurred.
Cannot turn the power OFF at the blue screen:
→ If you want to turn off the power at the blue screen, execute forced shutdown
(forced shutdown: continue to press POWER switch for 4 seconds). The power
will not be turned off if you press the switch for less than 3 seconds.