Hewlett-Packard Integrity cx2600 Maintenance Manual
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Table 4-3 Diagnostic LED Displays and Descriptions (continued)
DescriptionSystem LEDDiag 4
LED
Diag 3 LEDDiag 2 LEDDiag 1
LED
Power supply 1 fault. Replace power supply 1, the
power supply interface assembly, or the system board.
Flashing
Red
RedOffRedGreen
12V range error. Something is loading the 12V source.
This can be the power supply, the power supply
Flashing
Red
RedGreenRedGreen
interface, the system board, or any used circuit.
Replace items (one at a time) to identify the cause.
Memory bank error. Verify that DIMMs are correctly
installed.
Flashing
Red
GreenOffOffRed
Memory mismatch fault. DIMMs of different size are
installed in a single quad. Replace DIMMs as required.
Flashing
Red
OffOffGreenRed
Memory access fault. Check error messages in the SEL.
Reseat or replace DIMMs as required.
Flashing
Red
OffGreenGreenRed
Memory error detected. Check error messages in the
SEL. Reseat or replace DIMMs as required.
Flashing
Red
GreenGreenGreenRed
Intake air over-temperature fault. Check for blockages.
Replace the system board.
Flashing
Red
RedGreenGreenRed
BMC firmware error. Power off the server, wait 20
seconds, and resume operation. If the problem
continues, replace the system board.
Flashing
Red
OffRedGreenRed
MP firmware error. Power off the server, wait 20
seconds, and resume operation. If the problem
continues, replace the MP.
Flashing
Red
GreenRedGreenRed
CPU 1 over-temperature fault. Check for blockages.
Replace CPU 1 or the system board.
Flashing
Red
GreenOffRedRed
CPU 0 over-temperature fault. Check for blockage.
Replace CPU 0 or the system board.
Flashing
Red
OffGreenRedRed
Either or both CPUs not detected. Check CPU
installation and replace CPU, power module, or
system board if necessary.
Flashing
Red
GreenGreenRedRed
Undefined error condition (catastrophic failure). Look
at the SEL.
Flashing
Red
RedRedRedRed
Rear Panel LEDs
The rear panel LEDs show LAN and power supply status at a glance. The rear panel LEDs are
shown in Figure 4-2 and listed in Table 4-4, together with descriptions of LAN and power status
indications.
60 Troubleshooting