TP48200A-DX08A1 and TP48200A-DX08A2 Telecom
Power
User Manual
4 Maintenance
Issue 06 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
40
Possible Causes
The high battery temperature alarm threshold is incorrectly set.
The battery temperature control system is faulty.
The battery temperature sensor is faulty.
Measures
1.
Check whether the high battery temperature alarm threshold (50°C by default) is
correctly set. If not, set the threshold to the correct value.
2.
Check whether the battery temperature control system is faulty. If so, 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 so, replace the temperature
sensor.
4.2.14 Batt. Low Temp.
This alarm is generated only for the power system that has a battery temperature sensor installed.
Possible Causes
The low battery temperature alarm threshold is incorrectly set on the SMU.
The battery temperature control system is faulty.
The battery temperature sensor is faulty.
Measures
1.
Check whether the low battery temperature alarm threshold (-10°C by default) is
correctly set. If not, set the threshold to the correct value.
2.
Check whether the temperature control system for the battery compartment is faulty. If
so, rectify the fault. The alarm is cleared when the temperature in the battery
compartment becomes normal.
3.
Check whether the battery temperature sensor is faulty. If so, replace the battery
temperature sensor.
4.2.15 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.