Sun Microsystems Sun Fire V440 Parts Installation And Removal Manual page 65

Before You Begin
If a power supply fails, the system status Service Required LED and that power
supply Service Required LED will light.
Caution – If a power supply fails and you do not have a replacement available,
leave the failed power supply installed to ensure proper system cooling.
Caution – Attempting to remove a power supply without issuing a software
command to isolate it could damage the power supply.
Note – You have limited time to perform the power supply hot-plug operation. You
have 10 minutes at sea level and a maximum of 7 minutes at 10,000 feet (3048
meters) to ensure proper system cooling.
Complete this task:
"How to Avoid Electrostatic Discharge" on page 44
What to Do
1. Unlock and open the system doors.
2. Identify the power supply to be removed.
Check the power supply LEDs to determine which power supply is faulty. For more
information, see "Power Supply LEDs" on page 11 and the Sun Fire V440 Server
Administration Guide.
Power supply 0 LEDs
Chapter 3 Servicing the Front Panel Removable Devices
Power supply 1 LEDs
53