IBM Flex System x440 Compute Node, Installation And Service Manual

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Table 5. Light path LED errors (continued)
Light path diagnostics LED Description Action
Adapter fault An adapter failed. Run the adapter card
diagnostics test. If adapter
passes the test but continues
to have a problem, replace
the adapter.
Table 6. System board diagnostic LED information
LED Color LED name Description
D9001
D9004 Green Checkpoint LEDs
(MSD) These LEDs represent checkpoint
display codes in binary.
D9005
D9008 Green Checkpoint LEDs
(LSD) These LEDs represent checkpoint
display codes in binary.
D9009 Green FPGA heartbeat This LED will light when there is
activity on the FPGA.
DVL01 Yellow Battery error The IMM2 lights this LED and the fault
LED when the battery is defective.
DBL01 Yellow IMM fault The IMM2 lights this LED and the fault
LED when a problem has been detected
with the IMM2.
DPL00 Yellow CPU 1 error The IMM2 lights this LED and the fault
LED when microprocessor 1 is defective
or when no processor is installed in the
microprocessor 1 socket.
DPL01 Yellow CPU 2 error The IMM2 lights this LED and the fault
LED when microprocessor 2 is defective.
DPL02 Yellow CPU 3 error The IMM2 lights this LED and the fault
LED when microprocessor 3 is defective.
DPL03 Yellow CPU 4 error The IMM2 lights this LED and the fault
LED when microprocessor 4 is defective.
DVL02 Yellow DC fault The IMM2 lights this LED and the fault
LED when there is a power fault on one
of the power rails.
DML01
DML48 Yellow DIMM x error The IMM2 lights any of these LEDs and
the fault LED when any DIMMs 1 – 48
are defective.
DLLACT10 Green Ethernet 1-0 activity This LED lights when there is Ethernet
activity on port 0 of LOM controller 1.
DLLACT11 Green Ethernet 1-1 activity This LED lights when there is Ethernet
activity on port 1 of LOM controller 1.
DLLACT20 Green Ethernet 2-0 activity This LED lights when there is Ethernet
activity on port 0 of LOM controller 2.
DLLACT21 Green Ethernet 2-1 activity This LED lights when there is Ethernet
activity on port 1 of LOM controller 2.
DLLUP10 Green Ethernet 1-0 link This LED lights when port 0 on LOM
controller 1 is connected to the network.
DLLUP11 Green Ethernet 1-1 link This LED lights when port 1 on LOM
controller 1 is connected to the network.
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IBM Flex System x440 Compute Node Types 7917 and 2584: Installation and Service Guide