C-8 Sun Fire X4100/X4100 M2 and X4200/X4200 M2 Servers Service Manual • August 2009
CPU Fault LED
(on motherboard)
This LED has two states:
• Off: CPU is operating properly.
• On (amber): CPU has encountered a voltage or heat error
condition.
Fan Module Fault LED This LED has two states:
• Off: Fan module is operating properly.
• On (amber): Fan module has failed.
GRASP Board Power Status
LED
This LED has two states:
• Off: Standby power is not reaching the GRASP board.
• On (green): 3.3V standby power is reaching the GRASP
board.
TABLE C-5 Internal LED Functions
LED Name Description
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