IBM x3690 X5 Service Manual page 92

Table 6. Light path diagnostics panel LEDs (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 Chapter 3, "Parts listing", in the Problem Determination and Service Guide to determine which components
are customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If a action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
LED Description
BRD (Continued) An error has occurred on the
system board.
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System x3690 X5 Types 7147, 7148, 7149, and 7192: Problem Determination and Service Guide
Action
If the BRD LED on the light path diagnostics panel is lit, and
any of the seven 12 V channel error LEDs (A, B, C, D, E, F, or
G) on the system board are lit, use one of the following
procedures.
If the 12 V channel 240VA-A error LED is lit, complete the
following steps:
1. Turn off the server and disconnect the power from the
server.
2. Remove the optical drive and fans one at a time.
3. Restart the server to see whether the problem remains.
4. Reinstall each device that you removed in step 2 one at a
time, starting the server each time, to isolate the failing
device.
5. Replace any failing device.
6. (Trained service technician only) Replace the system
board.
If the 12 V channel 240VA-B error LED is lit, complete the
following steps:
1. Turn off the server and disconnect the power from the
server.
2. Remove the hard disk drives or solid state drives and
drive backplanes.
3. Restart the server to see whether the problem remains.
4. Reinstall each device that you removed in step 2 one at a
time, starting the server each time, to isolate the failing
device.
5. Replace any failing device.
6. (Trained service technician only) Replace the system
board.
(Continued on the next page)