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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).
AC Failure

AC Failure

Possible Causes

  • The AC input power cable is faulty.
  • The AC input circuit breaker is OFF.
  • The power grid is faulty.

Measures

  1. Check whether the AC input cable is loose. If so, secure the AC input cable.
  2. Check whether the AC input circuit breaker is OFF. If so, handle the fault which caused the AC input circuit breaker to turn OFF and then switch on the circuit breaker.
  3. Check whether the AC input voltage is lower than 50 V AC. If so, handle the power grid fault.
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Updated: 2019-03-05

Document ID: EDOC1000036238

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