Oracle Sun Fire X4240, Service Manual

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3-16 Sun Fire X4240 Server Service Manual • September 2010
FIGURE 3-10
Power Supply Status LEDs
3.4.3 Removing a Power Supply
Caution –
Hazardous voltages are present. To reduce the risk of electric shock and
danger to personal health, follow the instructions.
1. Determine which power supply (0 or 1) requires replacement.
A lit (amber) failure LED on a power supply indicates that a failure was detected.
2. Gain access to the rear of the server where the faulty power supply is located.
3. Release the cable management arm (CMA). (
FIGURE 3-11
)
The CMA is located at the rear of the server rack.
a. Press and hold the tab.
Figure Legend
Legend LED Symbol Color Lights when
1 OK to Remove Blue A power supply can be removed
safely during a hot–swap operation.
2 Service Required Amber The power supply is faulty.
The front and rear panel Service
Required LEDs are also lit if the
system detects a power supply fault.
3 AC Present ~AC Green The power supply is plugged in and
AC power is available, regardless of
system power state.