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TP48200A-HX09A3, TP48200A-HX09A4, TBC300A-DCA3, TBC300A-DCA5, TBC300A-TCA2 Outdoor Power System User Manual

This document describes the DC power systems in terms of their features, configurations, components, and maintenance methods.
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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 Temperature and Humidity Sensor

Replacing a Temperature and Humidity Sensor

Prerequisites

  • An ESD wrist strap, ESD gloves, ESD box or bag, cabinet door key, and required tools are available.

  • The new temperature and humidity sensor is intact.

Procedure

  1. Connect the ground cable of the ESD wrist strap, and wear the ESD wrist strap and ESD gloves.
  2. Remove the temperature and humidity sensor cable from the user interface module (UIM), as shown in Figure 4-26.

    Figure 4-26  Removing the temperature and humidity sensor cable

  3. Remove the temperature and humidity sensor, as shown in Figure 4-27.
    1. Hold down the button on the sensor and remove the upper cover.
    2. Record the positions where cables connect to the base and remove the cables.
    3. Unscrew the sensor base.

      Figure 4-27  Removing the temperature and humidity sensor

  4. Install the new temperature and humidity sensor.
    1. Hold down the button on the sensor and remove the upper cover.
    2. Tighten the screws and secure the sensor base onto the cabinet.
    3. Reconnect the removed cables to the new sensor base based on the recorded information.
    4. Properly place the upper cover of the sensor and secure it to the base.
  5. Reconnect the temperature and humidity sensor cable to the UIM.
  6. Disconnect the ground cable of the ESD wrist strap, and remove the ESD wrist strap and ESD gloves.
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Updated: 2019-03-05

Document ID: EDOC1000036238

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