IBM SAN512B-6, Installation, Service And User Manual

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Note: Make sure that captive screws securing fan assemblies to chassis are
tightened. If not, high pressure from fan operation may unseat fan from chassis
connectors.
Replacing fan assembly (hot-swap)
If your device is up and running, but a fan assembly has failed, complete the
following steps.
1. Remove fan assembly.
2. Insert new fan assembly into empty slot as soon as possible.
3. Verify that the fan assembly status LED is green.
Replacing fan assembly (cold-swap)
If your device is up and running, but you want to power down the device to
replace a failed fan assembly, complete the following steps.
1. Shut down the system using the
sysShutdown
command.
2. Unplug power cords from receptacles on all power supply assemblies.
3. Remove faulty fan assembly.
4. Insert new fan assembly.
5. Plug power cords into all power supply assemblies from power sources to
power device on.
6. Verify that fan assembly status LEDs are green.
Time and items required
The replacement procedure for each fan assembly takes less than 5 minutes. The
following items are required for the blower assembly replacement:
v Replacement fan assembly
v #1 Phillips screwdriver
Removing a fan assembly
About this task
Complete the following steps to remove a fan assembly from the device.
Procedure
1.
Before removing a fan assembly, Verify if you can remove a power supply and
leave device operating (hot swap replacement), by referring to “Precautions
specific to fan assemblies” on page 176.
2. Perform one of the following steps:
v If you need to power down the device to remove a fan assembly, enter the
sysShutdown
command. When command output indicates the device has
completed shut-down, remove power cords from all power supply
assemblies.
v If you can hot-swap the fan assembly, go on to the next step.
Note:
Replace fan as soon as possible to avoid overheating and eventual
system shutdown.
3. Loosen the captive screw at each end of the fan assembly until the screw
releases from the chassis. Use a #1 Phillips screwdriver if tightened.
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SAN512B-6 Installation, Service, and User Guide