NEC Express5800 Series Maintenance Manual page 33

Chapter 1 Maintenance
 Is this message displayed after the battery is connected?

If the battery charging status is low, the battery is not found. If the battery is not found although 24 hours
has passed, restart the system once.
If the battery is not found although the above action has been taken, the additional battery may be faulty.
Contact your sales representative.
[?] DISK LED flashes
 Does DISK LED flashes frequently even while the hard disk drive is not accessed?

Ignore the flashing. When Patrol Read is running, the DISK LED flashes even if the hard disk drive is not
being accessed. If a SATA hard disk drive is used, the DISK LED stays on.
During the POST process, the controller is not visible or shows errors
[?]

Make sure that the controller is supported for the server.

Make sure that the controller is installed and seated properly.

Make sure that the cables are properly connected.

Check that the controller is free from physical damage.

If the controller is recognized by the system ROM, then reseat the controller.

Run controller diagnostics and follow the steps displayed.

Update the firmware.

Download the Active Health System log.
[?] Controllers are no longer redundant (the controller shows errors during the POST process, or the cache is
disabled)

Make sure that the controllers are supported for the server.

Make sure the controllers are installed and seated properly.

Make sure that the cables are properly connected.

Check that the controller is free from physical damage.

Run controller diagnostics and follow the steps displayed.

Make sure that the controllers are compatible controller models.

Verify that the controller cache sizes are compatible.

Verify that the FBU (flash backup unit) is installed and connected correctly.

Update the firmware.

Download the Active Health System log.
Express5800/R120h-1E, R120h-2E Maintenance Guide
5. Troubleshooting
33