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Appendix - Fault Isolation
The red
LEDs
in the Fan units should not be illuminated. If a red LED is on in one of the fan units, that unit should be
replaced as soon as possible (the system is capable of running with only two fans but it is recommended that all three
fans be operational at all times).
A.2.3 Suitcase LEDs
In this section, refer to Figure A-3 for an illustration of the suitcase LEDs.
Figure A-3. Suitcase with LEDs identified
A.2.3.1 Suitcase Power-On LED Sequence
A.2.4 PCI Card LEDs
Figure A-4, the PCI card cage label, found on the PCI card cage (cabinet front), shows possible states for PCI LEDs and
describes their meanings.
Figure A-4. PCI Card Cage Label