TP48120A-HD15A1, TP48120A-HD15A2,
TP48200A-HD15A1, and TP48200A-HD15A2 Telecom
Power
User Manual
4 Maintenance
Issue 03 (2020-01-04)
Copyright © Huawei Technologies Co., Ltd.
46
Measures
1.
Check whether the battery undertemperature alarm threshold (-10°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.
4.2.16 Door Alarm
This alarm is generated only for the power system that has door status sensor installed.
Possible Causes
The cabinet doors are open.
The door status sensor is faulty.
Measures
1.
Close cabinet doors.
2.
Check whether the door status sensor is faulty. If yes, replace the door status sensor.
4.2.17 Water Alarm
This alarm is generated only for the power system that has water sensors installed.
Possible Causes
Water intrudes into the cabinet.
The water sensor is faulty.
Measures
1.
Check whether water intrudes into the cabinet. If yes, wipe the water with dry cotton or
other tools and rectify the fault.
2.
Check whether the water sensor is faulty. If yes, replace the water sensor.
4.2.18 Smoke Alarm
This alarm is generated only for the power system that has smoke sensors installed.
Possible Causes
There is smoke inside the cabinet.
The smoke sensor is faulty.