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Parts Replacement 12

OceanStor 18500 V3 and 18800 V3 Mission Critical Storage System V300R003

This document describes the procedure for replacing the parts of storage system in terms of safety operations, preparations, and precautions.
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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

This section describes how to replace a fan module.

Impact on the System

During the replacement of a fan module, the system's heat dissipation is affected and the system temperature increases. If the controller reaches the self-protection threshold (97°C CPU). the controller is automatically powered off, degrading the system reliability.


  • A replacement fan module is ready.
  • The fan module that you want to replace has been located.
    You can locate a component in either of the following ways:
    • Log in to DeviceManager, and go to the System page. On the System page, check the device view and locate the position of the component to be replaced. If the component has a location indicator, turn on the indicator. (For details about how to turn on a location indicator, see the online help of DeviceManager.)
    • Use the alarm indicator of the component to locate its component.


  • Do not touch rotating fan blades.
  • Remove and insert a fan module with even force. Excessive force may damage the connectors or appearance of the fan module.
  • A fan module must be replaced within five minutes. Otherwise, the system heat dissipation is compromised.
  • To avoid the sharp increase of the system temperature, replace the faulty fan. To replace a rotating fan, use the SmartKit.

Tools and Materials

  • ESD wrist strap
  • ESD bag
  • Labels


  1. Check system status before replacement.
    1. Perform a system status inspection.

      Start SmartKit. On the homepage, choose MyTools > Storage > Parts Replacement > Inspection. The Inspection Wizard step 5-1:Welcome page is displayed after you go to the Inspection page. On the wizard, select Routine inspection and perform the inspection as instructed by the wizard.

      For details, you can click .


      If some items fail the inspection, rectify the faults by performing the recommended actions in the inspection reports. Ensure that all other parts except the parts to be replaced are working correctly.

    2. Perform a pre-replacement inspection.

      On the homepage, choose MyTools > Storage > Parts Replacement > FRU Replacement. On the FRU Replacement page, select the part that you want to replace and perform the pre-replacement inspection as prompted. For details, see Using SmartKit for Parts Replacement (Recommended).

      You can proceed to next step only when all items pass the pre-replacement check and the replacement page is displayed. If any item fails, rectify the fault by taking recommended actions in the inspection reports.

  2. Wear an ESD wrist strap.
  3. Remove a fan module, as shown in Figure 4-16.
    1. Press the latch on the panel to open the panel.
    2. Press the latches on the fan module to pull out the fan module.

    Figure 4-16  Removing a fan module

  4. Put the removed fan module into an ESD bag.
  5. Take the replacement fan module out of its ESD bag.
  6. Insert the replacement fan module into the empty slot until it clicks into place, as shown in Figure 4-17.

    Figure 4-17  Installing a fan module

  7. Wait about two minutes and check the status of the Running/Alarm indicator on the fan module to determine whether the fan module is successfully installed. Figure 4-18 shows the location of the Running/Alarm indicator.

    • If the indicator is steady green, the fan module is successfully installed.
    • If the indicator is steady red or off, the newly installed fan module is faulty, the fan module slot is faulty, or the fan module is incorrectly installed.
    Figure 4-18  Running/Alarm indicator on a fan module

  8. If the fan module is successfully installed, close the panel, as shown in Figure 4-19.

    Figure 4-19  Closing the panel

  9. Confirm the replacement.
    1. Perform a post-replacement inspection.

      After the replacement, on the SmartKit page, click Replaced. Perform the post-replacement inspection as prompted.

    2. Check the system status after the replacement.

      Check the system status again on the Inspection page after the replacement. If any inspection item fails, rectify the fault based on the suggestions.

    3. Check services on a host for any storage-related error.

Follow-up Procedure

After the fan module is replaced, label it to facilitate subsequent operations.

Updated: 2019-05-15

Document ID: EDOC1000084105

Views: 22894

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