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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).
High Amb. Temp.

High Amb. Temp.

NOTE:
This alarm is generated only for the power system that has an ambient temperature sensor installed.

Possible Causes

  • The high ambient temperature alarm threshold is incorrectly set.
  • The temperature control system is faulty in the cabinet where the ambient temperature sensor is located.
  • The ambient temperature sensor is faulty.

Measures

  1. Check whether the high ambient temperature alarm threshold (50°C by default) is correctly set. If no, adjust it to a proper value.
  2. Check whether the temperature control system in the cabinet is faulty. If yes, rectify the fault. The alarm is cleared when the cabinet temperature falls within the allowed range.
  3. Check whether the ambient temperature sensor is faulty. If yes, replace the temperature sensor.
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Updated: 2019-03-05

Document ID: EDOC1000036238

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