IBM SAN42B-R, Инструкция по установке, обслуживанию и эксплуатации

Страница: 66 / 96

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
steady green, indicating that the fans are functioning correctly.
v
In Web Tools, click the Fan Status icon.
v
Using the command prompt, enter the
fanShow
command to display fan status of
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
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.
1
- Fan #3
2
- Handle
3
- Captive screw
4
- Status LED
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
the fan.
1 2 3
4
b42r020
Figure 23. Fan components
42
SAN42B-R Installation, Service, and User Guide