Chapter 6 Fan Maintenance; Fan Maintenance Introduction; Removing And Installing The Fan Module; Figure 22 Fan Module Thumbscrews - ZyXEL Communications IES-1248-51 User Manual

This chapter describes how to change a fan module.

6.1 Fan Maintenance Introduction

The IES-1248-51 has a hot-swappable fan module. Use the following procedures to remove
the fan module. Replace the entire fan module. Return any malfunctioning fan modules to the
manufacturer.

6.2 Removing and Installing the Fan Module

The IES-1248-51 fan module is at the left on the front panel. Perform the following procedure
to remove the fan module.
1 Loosen the thumbscrew on the front of the fan module.
2 Slide out the fan module.
3 Use a different fan module from the manufacturer.
4 Slide the fan module into the fan module slot.
5 Tighten the thumbscrew.

Figure 22 Fan Module Thumbscrews

Chapter 6 Fan Maintenance

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Fan Maintenance
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