Fan Components; Time And Items Required; Replacing A Fan - IBM SAN42B-R Installation, Service And User Manual

Determining the need to replace a fan
Use one of the following methods to determine the status of the fans:
v Check the fan status LEDs (see Figure 20 on page 36 ). Each fan LED should be
v In Web Tools, click the Fan Status icon.
v Using the command prompt, enter the fanShow command to display fan status of

Time and items required

Replacing a fan in the switch requires less than two minutes to complete.
To replace a fan in the switch, you need a #1 Phillips screwdriver and a new fan
that has the same part number as the fan being replaced.
Figure 23. Fan components

Replacing a fan

Complete the following steps to replace a fan in the switch. Refer to Figure 23 and
Figure 24 on page 43 for this procedure.
1. Using the Phillips screwdriver, unscrew the captive screw ( 3 in Figure 23) on
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SAN42B-R Installation, Service, and User Guide
steady green, indicating that the fans are functioning correctly.
five fans. The FRU fans are fans 1, 2, and 3.
Note: Fans 4 and 5 are the fans that are integral to the power supplies. These
two fans normally operate at approximately 12000 RPM while the system fans
typically operate at approximately 4000 RPM. Refer to "Power supply removal
and replacement" on page 39 if there are any issues with fans 4 or 5.
2498:admin> fanshow
Fan 1 is Ok, speed is 4013 RPM
Fan 2 is Ok, speed is 3961 RPM
Fan 3 is Ok, speed is 3961 RPM
Fan 4 is Ok, speed is 12001 RPM
Fan 5 is Ok, speed is 11969 RPM
1
1 - Fan #3
2 - Handle
3 - Captive screw
4 - Status LED
the fan.
2 3
4