Huawei ETP48400-C9A2 User Manual page 7

ETP48400-C9A2 Embedded Power
User Manual
7.2.17 Water Alarm ....................................................................................................................................................64
7.2.18 Smoke Alarm ...................................................................................................................................................65
7.2.19 Rect Fault ........................................................................................................................................................65
7.2.20 Rect Protection ................................................................................................................................................65
7.2.21 Rect Comm Fault .............................................................................................................................................66
7.2.22 Load Loop Break .............................................................................................................................................66
7.2.23 AC SPD Fault ..................................................................................................................................................66
7.2.24 DC SPD Fault ..................................................................................................................................................66
7.3 Identifying Component Faults ...............................................................................................................................67
7.3.1 Identifying AC SPD Faults .................................................................................................................................67
7.3.2 Identifying Circuit Breaker Faults ......................................................................................................................67
7.3.3 Identifying Rectifier Faults ................................................................................................................................67
7.3.4 Identifying SMU Faults .....................................................................................................................................67
7.4 Replacing Components .........................................................................................................................................68
7.4.1 Replacing a Rectifier .........................................................................................................................................68
7.4.2 Replacing an SMU.............................................................................................................................................69
7.4.3 Replacing the PCB of UIM02C ..........................................................................................................................70
7.4.4 Replacing an AC SPD Module ...........................................................................................................................72
7.4.5 Replacing a Circuit Breaker ...............................................................................................................................73
A Technical Specifications ....................................................................................................... 75
B Electrical Schematic Diagram .............................................................................................. 78
C Associations Between Alarms and Dry Contacts on the UIM ......................................... 79
D Acronyms and Abbreviations.............................................................................................. 80
Issue 05 (2020-04-07) Copyright © Huawei Technologies Co., Ltd.
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