Symantec NetBackup 5220, Hardware Troubleshooting Manual

Page: 85 / 169

85
Cause 2: CPU-related alarm
1. Alarms caused by CPU or installation faults require you to replace
the chassis.
2. For details about replacing the chassis of NetBackup 5220 contact
technical support.
Cause 3: Memory-related alarm
Alarms caused by memory faults or installation problems require you to replace the
memory (DIMMs) inside the chassis.
Be sure that all devices are correctly shut down and all programs on any devices
are not running. If you disconnect devices while programs are running, data
loss may occur.
1. Shutdown the NetBackup 5220 and any peripherals.
2. Disconnect the main AC power cord and peripheral cables/cords
from the rear of the NetBackup 5220.
3. Wear ESD preventive wrist straps.
4. Carefully remove the NetBackup 5220 from the rack cabinet.
5. Place it on a grounded, ESD protective surface.
6. Remove the screw on the top, right-hand side of the chassis.
7. Use the thumb grip on the top, left-hand side of the chassis to slide
the cover towards the rear of the device.