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TP48120A-HD15A1, TP48120A-HD15A2,

TP48200A-HD15A1, and TP48200A-HD15A2 Telecom

Power

User Manual

4 Maintenance

Issue 03 (2020-01-04)

Figure 4-21 Position of the battery temperature sensor

Step 4 Properly place the new battery temperature sensor and bind it securely with a cable tie.

Step 5 Reconnect the battery temperature sensor cable to the UIM.

Step 6 Disconnect the ground cable from the ESD wrist strap, and take off the ESD wrist strap and

ESD gloves.

----End

Preface3
Table of Contents5
Safety Precautions8
General Safety8
Personnel Requirements12
Electrical Safety12
Installation Environment Requirements14
Mechanical Safety15
Battery Safety18
Overview22
Introduction22
Model Number Description23
Features23
Working Principles24
Configurations24
Components26
Interior26
Pdu34
Battery Switch35
Rectifier35
Smu06C36
Tcu41
Heat Exchanger41
Direct Ventilation41
Heater42
Sensor and Lamp43
Optional) Smoke Sensor43
Optional) Temperature and Humidity Sensor44
Battery Temperature Sensor45
Optional) Water Sensor45
Optional) Lamp45
Maintenance46
Routine Maintenance46
Rectifying Common Faults47
AC Failure47
AC over Volt47
AC under Volt48
DC over Volt48
DC under Volt48
Batt Chg. Overcur49
LLVD Disconnected49
BLVD Disconnected50
Batt Loop Trip50
High Amb. Temp50
Low Amb. Temp51
High Amb. Humi51
Low Amb. Humi52
Batt. High Temp52
Batt. Low Temp52
Door Alarm53
Water Alarm53
Smoke Alarm53
Rect Fault54
Rect Protection54
Rect Comm Fault54
AC SPD Alarm55
DC SPD Alarm55
Identifying Component Faults55
Identifying AC SPD Faults55
Identifying Circuit Breaker Faults55
Identifying Rectifier Faults55
Identifying SMU Faults56
Parts Replacement56
Replacing a Rectifier56
Replacing the SMU06C Main Control Board58
Installing the SMU06C Fan Extended Board60
Replacing the SMU06C LCD62
Replacing an AC SPD Module64
Replacing a Circuit Breaker65
Replacing the Internal Circulation Fan of the Heat Exchanger66
Replacing the External Circulation Fan of the Heat Exchanger69
Replacing the Heat Exchanger Core71
Replacing a Battery Temperature Sensor72
A Technical Specifications75
B Electrical Conceptual Diagrams79
C Associations between Alarms and the Dry Contacts on the UIM80
D Acronyms and Abbreviations81

Brand	Huawei
Model	Telecom Power TP48120A-HD15A1
Category	Network Hardware
Language	English

Huawei Telecom Power TP48120A-HD15A1 User Manual

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Huawei Telecom Power TP48120A-HD15A1 Specifications

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