Sun Microsystems Netra 440, Service Manual

Page: 92 / 166

74 Netra 440 Server Service Manual • August 2004
Fan Tray 3
Caution –
Fan tray 3 on a Netra 440 server is not hot-swappable. Attempting to
replace fan tray 3 while the server is running poses an extreme risk of bodily injury,
and could damage the system hardware and environmental monitoring components.
Caution – The power supplies contain fans that are integral to system cooling.
Failure to install a replacement system fan or power supply could lead to serious
overheating and severe damage to the system. For more information, refer to the
Netra 440 Server Product Overview (817-3881-xx) .
Caution – Fan tray 3 contains sharp moving parts. Use extreme caution when
servicing this fan tray.
The part number for fan tray 3 is F540-6069.
Removing Fan Tray 3
Caution – Do not attempt to operate the system without fan tray 3 installed. Doing
so could overheat and seriously damage the system.
Caution –
The system supplies power to fan tray 3 even when the system is
powered off. To avoid personal injury or damage to the system, you must disconnect
all AC or DC power cables before servicing the fan tray 3.
If fan tray 3 fails, the Service Required LED from the enclosure status indicators
lights.
1. Power off the system.
See “Powering Off the System” on page 26 .
2. Attach the antistatic wrist strap.
See “Avoiding Electrostatic Discharge” on page 32 .