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TP48200A-DT19D1 Telecom Power User Manual

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Low Amb. Temp.

Low Amb. Temp.

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

Possible Causes

  • The low 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.


  1. Check whether the low ambient temperature alarm threshold (0°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 ambient temperature sensor.
Updated: 2019-11-27

Document ID: EDOC1000078784

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