Sun Microsystems Netra 440, Service Manual

Page: 54 / 166

36 Netra 440 Server Service Manual • August 2004
Fan Trays (0-2)
Note –
Only fan trays 0-2 are hot-swappable; fan tray 3 is a cold-swappable
component. Refer to “Fan Tray 3” on page 74 for information on removing and
replacing fan tray 3.
If fan tray 0, 1 or 2 fails, the enclosure status Service Required LED lights and a
console message indicates which fan tray failed.
Caution –
Have a replacement fan tray available before removing a fan tray. A
system can only run for approximately 15 minutes with only two fan trays operating
before overheating occurs.
Caution –
The power supplies contain fans that are integral to system cooling.
Failure to install a replacement fan tray 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 –
The fan trays contain sharp moving parts. Use extreme caution when
servicing the fan trays.
The part number for fan trays 0-2 is F540-5855.