TP48120A-HD15A1, TP48120A-HD15A2,
TP48200A-HD15A1, and TP48200A-HD15A2 Telecom
Power
User Manual
Copyright © Huawei Technologies Co., Ltd.
4.2.13 Low Amb. Humi.
This alarm is generated only for the power system that has humidity sensors installed.
Possible Causes
The ambient underhumidity alarm threshold is not properly set on the SMU.
The humidity is too low in the cabinet where the humidity sensor is located.
The humidity sensor is faulty.
Measures
1. Check whether the ambient underhumidity alarm threshold (5% RH by default) is
properly set on the SMU. If no, adjust it based on site requirements.
2. Check whether the cabinet humidity is too low. If yes, adjust the cabinet humidity. The
alarm is cleared when the humidity falls within the allowed range.
3. Check whether the humidity sensor is faulty. If yes, replace the humidity sensor.
4.2.14 Batt. High Temp.
This alarm is generated only for the power system that has battery temperature sensor installed.
Possible Causes
The battery overtemperature alarm threshold is not set properly on the SMU.
The battery temperature controlling system is faulty.
The battery temperature sensor is faulty.
Measures
1. Check whether the battery overtemperature alarm threshold (50°C by default) is properly
set. If no, adjust it to a proper value.
2. Check whether the battery temperature controlling system is faulty. If yes, rectify the
fault. The alarm is cleared when the battery temperature falls within the allowed range.
3. Check whether the battery temperature sensor is faulty. If yes, replace the temperature
sensor.
4.2.15 Batt. Low Temp.
This alarm is generated only for the power system that has battery temperature sensor installed.
Possible Causes
The battery undertemperature alarm threshold is not set properly on the SMU.
The battery temperature controlling system is faulty.
The battery temperature sensor is faulty.
To Next Page
Loading...
Need help?
General
