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S9300, S9300E, and S9300X Series Switches Hardware Installation and Maintenance Guide

This document describes hardware installation procedures of the S9300, S9300E, and S9300X series switches, troubleshooting methods for common hardware faults, and switch maintenance instructions.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Replacing a Fan Module

Replacing a Fan Module

Context

Be careful of the heat on a fan module when replacing it.

  • When a fan module fails, the system generates an alarm message, which provides the slot ID of the faulty fan module. Find the faulty fan module according to the slot ID and replace the fan module.

  • Install a new fan module in the slot within 3 minutes after a fan module is removed.

Fan module slots are numbered from top to bottom, starting with FAN1. For example, on an S9312 switch, the first fan module slot on the top is FAN1, and the other fan module slots are FAN2, FAN3, and FAN4 from top to bottom. See Figure 13-5.

Figure 13-5  Fan slot numbers on the S9312

Tools

  • ESD wrist strap or ESD gloves

  • Phillips screwdriver

Procedure

  1. Find the fan module to be replaced.

    Before removing a fan module, determine in which cabinet and chassis the fan module is installed, find the fan module in the chassis, and attach a label on the panel of the fan module to avoid misoperation.

  2. Wear an ESD wrist strap or a pair of ESD gloves. When wearing an ESD wrist strap, insert the other end in the ESD jack of a device and ensure that the device is reliably grounded.
  3. Remove the old fan module from the chassis.
    1. Loosen the four captive screws counterclockwise on both sides of the fan module with a Phillips screwdriver. See callout 1 in Figure 13-6.
    2. Hold the fan module with both hands and gently pull out the fan module. See callout 2 in Figure 13-6.

      Figure 13-6  Removing a fan module

  4. Install the spare fan module in the chassis.
    1. Hold the fan module by two sides, align the holes on the baffle with the positioning pins on the chassis, and attach the fan module onto the chassis. See callout 1 in Figure 13-7.
    2. Tighten the captive screws clockwise with a Phillips screwdriver to secure the fan module on the chassis. See callout 2 in Figure 13-7.

      Figure 13-7  Installing a fan module

  5. Verify the functions of the new fan module.

    After the new fan module is installed, fans run at 40% of the full speed for about 10s. Then the fan module works in intelligent fan speed adjustment mode. Use either of the following methods to check whether the new fan module is functioning normally:

    • Observe the indicator on the fan module. If the indicator blinks green slowly, the fan module is working normally. If the indicator turns red, the fan module is not working normally.

    • Run the display fan command to check the running status of the fan module.

    If the new fan module does not work normally, contact the equipment supplier for technical support.

Follow-up Procedure

After replacing the fan module, collect all tools. If the replaced fan module is faulty, fill in the Repair Transmission Sheet and send the faulty module with the Repair Transmission Sheet to the equipment supplier or the specified repair service provider.

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Updated: 2019-05-16

Document ID: EDOC1000069582

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