Table 2. EasyLED diagnostics (continued)
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the Hardware Maintenance Manual to determine which components are customer
replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
LED Description Action
DASD A hard disk drive error has
occurred.
1. Check the LEDs on the hard disk drives for the drive with
a lit status LED and reseat the hard disk drive.
2. Reseat the hard disk drive backplane.
3. For more information, see “Hard disk drive problems” on
page 146.
4. If the error remains, replace the following components in
the order listed, restarting the server after each:
a. Replace the hard disk drive.
b. Replace the hard disk drive backplane.
5.
If the error remains, replace the following components one
at a time, in the order listed, restarting the server after
each:
a. Replace the hard disk drive.
b. Replace the hard disk drive backplane.
RAID Reserved.
BRD An error has occurred on the
system board.
1. Check the LEDs on the system board to identify the
component that caused the error. The BRD LED can be lit
due to any of the following reasons:
v Battery
v Missing PCI riser-card assembly
v Failed voltage regulator
2.
Check the system-error log for information about the error.
3. Replace any failed or missing replacement components,
such as the battery or PCI riser-card assembly.
4. If a voltage regulator has failed, (trained service technician
only) replace the system board.
24 ThinkServer RD210 Types 3795, 3796, 3818, and 3819: Installation and User Guide
