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SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) User Manual

This document describes the SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting.
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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).
Opening the Maintenance Compartment Door

Opening the Maintenance Compartment Door


  • Never open the host panel of the SUN2000.
  • Before opening the maintenance compartment door, disconnect the AC and DC power supplies. For processes of disconnecting the power supplies, see Powering Off the SUN2000. After powering off the SUN2000, wait at least 5 minutes before performing operations on it.
  • If you need to open the maintenance compartment door in rainy or snowy days, take protective measures to prevent rain and snow entering the maintenance compartment. If it is impossible to take protective measures, do not open the maintenance compartment door in rainy or snowy days.
  • Do not leave unused screws in the maintenance compartment.


  1. Remove the two screws from the maintenance compartment door using a security torx wrench and set them aside.

    Figure 5-1  Removing screws

  2. Open the maintenance compartment door and install a support bar.

    The support bar is bound to the chassis base.
    Figure 5-2  Installing a support bar

Updated: 2019-08-02

Document ID: EDOC1100019925

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