Low Amb. Temp; High Amb. Humi - Huawei Telecom Power TP48120A-HD15A1 User Manual

TP48120A-HD15A1, TP48120A-HD15A2,
TP48200A-HD15A1, and TP48200A-HD15A2 Telecom
Power
User Manual
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Measures
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2.
3.

4.2.11 Low Amb. Temp.

Possible Causes
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Measures
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3.

4.2.12 High Amb. Humi.

Possible Causes
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Measures
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Issue 03 (2020-01-04)
The ambient temperature sensor is faulty.
Check whether the ambient temperature alarm threshold (55° C by default) is properly set
on the SMU. If no, adjust it based on site requirements.
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.
Check whether the ambient temperature sensor is faulty. If yes, replace the temperature
sensor.
This alarm is generated only for the power system that has ambient temperature sensors installed.
The ambient undertemperature alarm threshold is not set properly on the SMU.
The temperature control system is faulty in the cabinet where the ambient temperature
sensor is located.
The ambient temperature sensor is faulty.
Check whether the ambient undertemperature alarm threshold (-20° C by default) is
properly set on the SMU. If no, adjust it based on site requirements.
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.
Check whether the ambient temperature sensor is faulty. If yes, replace the ambient
temperature sensor.
This alarm is generated only for the power system that has humidity sensors installed.
The ambient overhumidity alarm threshold is not set properly on the SMU.
The humidity is too high in the cabinet where the humidity sensor is located.
The humidity sensor is faulty.
Check whether the ambient overhumidity alarm threshold (95% RH by default) is
properly set on the SMU. If no, adjust it based on site requirements.
Check whether water intrudes into the cabinet. If yes, wipe the water with dry cotton or
other tools and rectify the fault.
Check whether the humidity sensor is faulty. If yes, replace the humidity sensor.
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