NEC HX4600, User Manual, Page: 21 / 196

System Overview 1-7
Table 1-4. System Status Abnormal Conditions
LED (Amber) Conditions
System Status
Chassis intrusion (front cover)
Unit fan alarm
Memory multi-bit error (SERR)
Temperature
Voltage
CPU thermal trip
CPU, memory or option board error or failure
Power supply failure
Opening the Front Doors
You must open the right front door to turn the server power on or off, mount or
dismount a floppy disk, or mount or dismount a hard disk drive. Open the left
front door to mount or dismount 5 1/4-inch removable media devices.
Open the front doors as follows.
1.
To open the front doors, you need to use the security key provided with the
server. Insert the security key into the key slot and turn the key to the right
(see the following figure).
LOCK
UNLOCK