HP Integrity rx2660 User's & Service Manual page 148

IMPORTANT:
Data Center
Office Friendly
3. When removing fans from a Data Center server, insert thumb and forefinger into the openings
on the top of the fan and squeeze until the fan releases from the socket (1). See
When removing fans from an Office Friendly server, use two hands to squeeze the two latches
on the server fan (1). See
4. Pull the fan straight up and out of the server (2).
CAUTION:
power, keep your fingers away from the fan air intakes. The openings are large enough for
your fingers to contact moving fan blades. The fans are labeled as follows:
Figure 45 Removing and Replacing a Data Center Server Fan
148 Removing and Replacing Server Components
You can have one failed fan per zone. The fans speed up to
compensate for the failed fan. If two fans fail in a given zone, you
have 30 seconds to replace the failed fan. Otherwise, the server
performs a soft shut down due to an overheat condition.
You can have one failed fan rotor per zone in Zone 1 or Zone 3.
The fans speed up to compensate for the failed fan rotor. If you have
two rotors fail in Zone 1 or Zone 3, or one rotor fail in Zone 2, you
have 30 seconds to replace the failed fan. Otherwise, the server
performs a soft shut down due to an overheat condition.
Figure 46.
Be careful when removing fans. If you remove them while the server is receiving
Figure 45.