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TP48200A-HT19C4-1, TBC300A-TCA2 Outdoor Power System User Manual

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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 an Ambient Temperature and Humidity Sensor

Replacing an Ambient Temperature and Humidity Sensor

Prerequisites

  • Prepare an ESD wrist strap, a pair of ESD gloves, an ESD box or bag, the cabinet door key, and a maintenance tool kit.

  • Check that the new ambient temperature and humidity sensor is intact.

Procedure

  1. Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD gloves.
  2. Remove the ambient temperature and humidity sensor cable from the user interface module (UIM), as shown in Figure 4-21.

    Figure 4-21  Removing the temperature and humidity sensor cable

  3. Remove the temperature and humidity sensor, as shown in Figure 4-22.
    1. Hold down the button on the sensor and remove the sensor cover.
    2. Unscrew the sensor base.
    3. Record the positions where cables connect to the base and remove the cables.

      Figure 4-22  Removing the ambient temperature and humidity sensor

  4. Install a new ambient temperature and humidity sensor.
    1. Reconnect the removed cables to the new sensor base based on the recorded information.
    2. Tighten the screws and secure the sensor base onto the cabinet.
    3. Properly place the sensor and secure it to the base.
  5. Reconnect the ambient temperature and humidity sensor cable to the UIM.
  6. Disconnect the ground cable from the ESD wrist strap, and take off the ESD wrist strap and ESD gloves.
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Updated: 2019-03-05

Document ID: EDOC1000078969

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