Xerox 4540 Service Manual - Page 216
C.2 Disk Drive and Fan Tray LEDs
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TABLE C-2 Sun Fire X4540 External LEDs (Continued) # Name 6 Ready to Remove 7 Fault 8 OK Color Blue Function Ready to remove (service action allowed) Amber Green Fault (Service action required) OK (no action required) C.2 Disk Drive and Fan Tray LEDs FIGURE C-3 shows the location of the internal LEDs. FIGURE C-5 shows a close-up view of the disk drive and fan trays, including the symbols that identify the LEDs. Note - On fan trays, the green and amber (OK and Fault) LEDs might be on simultaneously. This indicates that while a fan has failed, at least one of its fans is still operational. Note - Early fan trays had a blue LED that was not activated. Later versions of the fan trays have only a green and amber LED. C-6 Sun Fire X4500/X4540 Server Service Manual • May 2010
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