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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 a Smoke Sensor

Replacing a Smoke 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 smoke 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 smoke sensor, as shown in Figure 4-23.
    1. Remove the connected cables from the smoke sensor.
    2. Hold down the button on the smoke sensor and push the smoke sensor in the OPEN direction.
    3. Unscrew the smoke sensor base.

      Figure 4-23  Removing the smoke sensor

  3. Install a new smoke sensor.
    1. Properly place the smoke sensor base and tighten the screws for it.
    2. Properly place the new smoke sensor and press and push it in the CLOSE direction.
    3. Reconnect the removed cables to the smoke sensor.
  4. 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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