The following table lists the LEDs on the EasyLED diagnostics panel and suggests
actions to solve the detected problems.
Table 2. EasyLED diagnostics
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
None, but the
system error LED
is lit.
An error has occurred and cannot
be isolated. The error is not
represented by a path.
Use the UEFI Setup Utility program to check the system error
log for information about the error.
OVER SPEC The power supplies are using
more power than their maximum
rating.
If the OVER SPEC LED on the EasyLED panel is lit, or any of
the six 12V channel error LEDs (A, B, C, D, E, or AUX) on the
system board are lit, follow the instructions below.
If the 12V channel A error LED is lit, complete the following
steps:
1. Turn the server off and disconnect the power from the
server.
2. Remove the optical drive, fans, hard disk drives, and hard
disk drive backplane.
3. Restart the server to see if the problem remains.
4. Reinstall each device that was removed in step b 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 12V channel B error LED is lit, complete the following
steps:
1. Turn the server off and disconnect the power from the
server.
2. Remove the PCI riser card in connector 1, all DIMMs, and
the microprocessor in socket 2.
3. Restart the server to see if the problem remains.
4. Reinstall each device that was removed in step b 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 problem remains.
(Continued on the next page)
Chapter 4. Server controls, LEDs, and power 19
