Huawei TP48200A-HT19C4-1 User Manual page 6

TP48200A-HT19C4-1 and TBC300A-TCA2 Telecom
Power
User Manual
4.1 Routine Maintenance .................................................................................................................................................. 40
4.2 Rectifying Common Faults ......................................................................................................................................... 41
4.2.1 AC Failure ................................................................................................................................................................ 41
4.2.2 AC Over Volt ........................................................................................................................................................... 42
4.2.3 AC Under Volt ......................................................................................................................................................... 42
4.2.4 DC Over Volt ........................................................................................................................................................... 42
4.2.5 DC Under Volt ......................................................................................................................................................... 42
4.2.6 Batt Chg. Overcur. ................................................................................................................................................... 43
4.2.7 LLVD Disconnected ................................................................................................................................................ 43
4.2.8 BLVD Disconnected ................................................................................................................................................ 44
4.2.9 Batt Loop Trip.......................................................................................................................................................... 44
4.2.10 High Amb. Temp. ................................................................................................................................................... 44
4.2.11 Low Amb. Temp. ................................................................................................................................................... 45
4.2.12 High Amb. Humi. .................................................................................................................................................. 45
4.2.13 Low Ambient Humidity ......................................................................................................................................... 46
4.2.14 Batt. High Temp. .................................................................................................................................................... 46
4.2.15 Batt. Low Temp. .................................................................................................................................................... 46
4.2.16 Door Alarm ............................................................................................................................................................ 47
4.2.17 Water Alarm ........................................................................................................................................................... 47
4.2.18 Smoke Alarm ......................................................................................................................................................... 47
4.2.19 Rect Fault ............................................................................................................................................................... 48
4.2.20 Rect Protection ....................................................................................................................................................... 48
4.2.21 Rect Comm Fault ................................................................................................................................................... 48
4.2.22 Load Loop Break ................................................................................................................................................... 49
4.2.23 AC SPD Fault ........................................................................................................................................................ 49
4.2.24 DC SPD Fault ........................................................................................................................................................ 49
4.3 Identifying Component Faults .................................................................................................................................... 49
4.3.1 Identifying AC SPD Faults ...................................................................................................................................... 49
4.3.2 Identifying Circuit Breaker Faults ........................................................................................................................... 50
4.3.3 Identifying Rectifier Faults ...................................................................................................................................... 50
4.3.4 Identifying SMU Faults ........................................................................................................................................... 50
4.4 Replacing Components ............................................................................................................................................... 50
4.4.1 Replacing a Rectifier ............................................................................................................................................... 51
4.4.2 Replacing an SMU ................................................................................................................................................... 52
4.4.3 Replacing an AC SPD .............................................................................................................................................. 53
4.4.4 Replacing a Circuit Breaker ..................................................................................................................................... 54
4.4.5 Replacing the PCB of UIM02C ............................................................................................................................... 56
4.4.6 Replacing the Internal Circulation Fan of the Heat Exchanger ............................................................................... 58
4.4.7 Replacing the External Circulation Fan of the Heat Exchanger .............................................................................. 60
4.4.8 Replacing a TCUA Control Board ........................................................................................................................... 63
4.4.9 Replacing a TEC ...................................................................................................................................................... 66
4.4.10 Replacing an Ambient Temperature and Humidity Sensor .................................................................................... 69
Issue 03 (2019-11-15) Copyright © Huawei Technologies Co., Ltd.
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