Replacing A Blower Assembly - HP StorageWorks 2/64 - Core Switch Installation Manual

Replacing a blower assembly

This procedure provides instructions for replacing a switch blower assembly. The switch
requires a minimum of two operating blower assemblies at all times. To ensure continuous
adequate cooling, maintain three operating blower assemblies at all times except for the brief
period when replacing a blower assembly. The port cards automatically shut down if the
internal temperature range is exceeded.
CAUTION:
regulatory certifications. There are no user-serviceable parts inside the blower assembly.
Use these steps to replace a blower assembly. A #2 flathead screwdriver is required.
1. Before removing the blower assembly, verify the other two assemblies are functioning
correctly. The blower assembly Power LED should be steady green and the Fault LEDs
should not be lit (see
2. Remove the blower assembly from the chassis:
a. Use the screwdriver to loosen the self-retaining screws at top and bottom of blower
assembly.
b. Push in the top of the handle, pull out the lower part of the handle, and pull the blower
out of the chassis.
NOTE: Support the blower assembly from underneath while removing it from the chassis.
3. Install the new blower assembly in the chassis.
a. Orient the blower assembly as shown in
firmly to ensure that it is seated.
CAUTION:
easily, ensure that it is properly oriented.
b. Verify that the Power LED displays a green light; if not, ensure that the blower assembly
is correctly seated.
c. Push the top of the handle into the recess.
d. Tighten the self-retaining screws to finger-tight.
Disassembling any part of the blower assembly voids the part warranty and
Figure 2 on page 17 for LED locations).
Do not force the installation of the blower assembly. If the part does not install
Core Switch 2/64 and SAN Director 2/128 installation guide
Figure 27 and slide it into the chassis, pushing
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