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3.1 Overview
This chapter describes how to perform maintenance on the system hardware. It includes fan and power
module maintenance.
3.2 Fan Maintenance
This section describes how to change the fan module on the OLT.
3.2.1 Procedure to Remove and Install the Fan Module
The chassis has a hot-swappable fan module. The fan module is at the left on the front panel. Replace
the entire fan module if cleaning the fan filter does not solve the problem. Return any malfunctioning
fan modules to the manufacturer.
Perform the following procedure to remove the fan module in order to clean the fan filter or change the
fan module.
Loosen the screw on the front of the fan module.
1
Slide out the fan module.
2
Slide out the fan filter. Clean or replace the filter.
3
Slide the fan filter back into the fan module.
4
Slide the fan module back into the fan module slot (Or use a different fan module from the
5
manufacturer).
Tighten the screw.
6
Maintenance
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Troubleshooting
