ZyXEL Communications IES-2500, User Manual, Page: 45 / 65

IES-2500 User’s Guide
Fan Maintenance 7-1
This chapter describes how to change a fan fuse or a fan module on the IES.
7.1 Fan Maintenance Introduction
The IES-2500 has a hot-swappable fan module. Use the following procedures to remove the fan module in order to
replace a fuse. Replace the entire fan module if the fuses are not the problem. Return any malfunctioning fan
modules to the manufacturer.
7.2 Removing and Installing the Fan Module
The IES-2500 fan module is at the left on the front panel of the main chassis. Perform the following procedure to
remove the fan module in order to change a fan fuse or the fan module.
Step 1.
Loosen the thumbscrews on the front of the fan module.
Step 2.
Slide out the fan module.
Step 3.
Replace any fuses that are burnt out (see the hardware specifications in the appendix for fuse
information). If the fuses are not the problem, use a different fan module from the manufacturer.
Step 4.
Slide the fan module back into the fan module slot.
Step 5.
Tighten the thumbscrews.
Figure 7-1 IES-2500 Fan Module Thumbscrews
Chapter 7
Fan Maintenance