
FusionModule1000A20 CT Solution
Maintenance Guide
Copyright © Huawei Technologies Co., Ltd.
4.3 Monitoring System Alarms ................................................................................................................................................52
4.3.1 ECC800 Main Control Module Alarms .........................................................................................................................52
4.3.2 Access Actuator Alarms...................................................................................................................................................55
4.3.3 Smart ETH Gateway Alarms...........................................................................................................................................56
4.3.4 AC Actuator Alarms.........................................................................................................................................................57
4.3.5 WiFi Converter Alarms ...................................................................................................................................................58
5 Parts Replacement ............................................................................................................... 59
5.1 Replacing Power Supply and Distribution System Components.....................................................................................59
5.1.1 Replacing TP48400B Components.................................................................................................................................59
5.1.2 Replacing Components for the Input PDC.....................................................................................................................60
5.1.2.1 Replacing an ATS Controller .......................................................................................................................................60
5.1.2.2 Replacing an MCB .......................................................................................................................................................61
5.1.2.3 Replacing the PD510 Electricity Meter ......................................................................................................................62
5.1.2.4 Replacing an SPD.........................................................................................................................................................63
5.1.2.5 Replacing an Indicator .................................................................................................................................................65
5.1.2.6 Replacing a Fuse...........................................................................................................................................................66
5.1.2.7 Replacing an Ambient T/H Sensor..............................................................................................................................68
5.1.3 Replacing a Battery for the DC Power System..............................................................................................................68
5.1.4 Replacing a Light.............................................................................................................................................................69
5.1.5 Replacing the Power PDB...............................................................................................................................................70
5.2 Replacing Cooling System Components...........................................................................................................................71
5.2.1 Replacing Components for a 12.5 kW Fresh Air Integrated Unit ................................................................................71
5.2.1.1 Replacing an Air Filter .................................................................................................................................................71
5.2.1.2 Replacing an Air Damper.............................................................................................................................................72
5.2.2 (Optional) Replacing a Low-Temperature Component.................................................................................................73
5.2.3 Replacing an Air Vent Air Filter .....................................................................................................................................74
5.2.4 Replacing a Hydrogen Exhaust Fan...............................................................................................................................75
5.3 Replacing Monitoring System Components.....................................................................................................................77
5.3.1 Replacing an ECC800 Main Control Module................................................................................................................77
5.3.2 Replacing an ECC800 PSU (CT) ...................................................................................................................................78
5.3.3 Replacing an AI/DI Module............................................................................................................................................79
5.3.4 Replacing a Smart ETH Gateway...................................................................................................................................80
5.3.5 Replacing a Camera.........................................................................................................................................................81
5.3.6 Replacing an External Camera........................................................................................................................................83
5.3.7 Replacing a Signal SPD ..................................................................................................................................................84
5.3.8 Replacing an SD Card .....................................................................................................................................................86
5.3.9 Replacing a Water Sensor (Point Type)..........................................................................................................................88
5.3.10 Replacing Access Control Components.......................................................................................................................89
5.3.10.1 Replacing an IC Card Reader ....................................................................................................................................89
5.3.10.2 Replacing an Exit Button...........................................................................................................................................91
5.3.10.3 Replacing a Magnetic Lock .......................................................................................................................................92