Replacing The 7100G-Series Fan Module; Removing The Fan Module - Enterasys 7100G Series Hardware Installation Manual

Replacing the 7100G-Series Fan Module

Replacing the 7100G-Series Fan Module
The 7100G-Series switch is cooled by a fan module accessible from the power supply side of the
unit. If the FAN LED and the output of the CLI show system command indicate that the fan
module has failed, you must replace the failed fan module.
The replacement fan kit, 71A-71GFAN, which you must order separately, contains one
replacement fan.
To replace the failed fan module:
1. Unscrew the two captive screws of the failed fan module as shown in
2. Following the discussion in
page 2-4, ensure that the new fan module air flow direction agrees with the installed 7100G-
Series switch configuration.
3. If a non-default air flow is required, see
directions on how to reverse the fan unit direction.
4. Once you have ensured that the fan module air flow is appropriate to your system
configuration, slide the currently installed fan module forward until it is unplugged from the
device as shown in
Figure 3-4
1 Fan Module Screws
5. Align the new fan module with the fan module opening.
3-8 Troubleshooting
Note: The 7100G-Series fan module is hot-swappable. Do not uninstall a failed fan module until its
replacement is available. All 7100G-Series switch components and cover plates must be installed to
ensure proper air flow.
"Power Supply Air Flow and Switch Fan Module Air
Figure 3-4.

Removing the Fan Module

"Reversing the Fan Module Air
Figure 3-4 on page 3-8.
Flow" on
Flow" on page 2-5 for