2.6.15 Routine Maintenance for the Skylight System ............................................................................................................ 39

2.6.16 Routine Maintenance for the Access Control System ................................................................................................. 40

2.6.16.1 Routine Maintenance for the Access Actuator.......................................................................................................... 40

2.6.16.2 Routine Maintenance for the Access Control Device .............................................................................................. 42

2.6.16.3 Routine Maintenance for the Sliding Door Magnetic Lock .................................................................................... 43

2.6.16.4 Routine Maintenance for the Revolving Door Magnetic Lock ............................................................................... 43

2.6.16.5 Routine Maintenance for the Emergency Button ..................................................................................................... 44

2.6.16.6 Routine Maintenance for the Exit Button ................................................................................................................. 44

2.6.17 Routine Maintenance for Light Buttons ....................................................................................................................... 44

2.6.18 Routine Maintenance for the Electronic Cabinet Lock ............................................................................................... 45

2.6.19 Routine Maintenance for the Door Status Sensor........................................................................................................ 46

2.6.20 Routine Maintenance for the Rack Environment Unit ................................................................................................ 46

2.7 Routine Maintenance for the Fire Extinguishing System ................................................................................................ 47

2.7.1 Routine Maintenance for Smoke Detectors ................................................................................................................... 47

2.7.2 Routine Maintenance for the Alarm Beacon .................................................................................................................. 48

3 Alarm Reference .................................................................................................................. 50

3.1 Alarms for the Power Supply and Distribution System.................................................................................................... 50

3.1.1 Precision PDC Alarm Reference..................................................................................................................................... 50

3.1.2 Integrated UPS Alarm Reference.................................................................................................................................... 55

3.1.3 Power Distribution Unit Alarm Reference ..................................................................................................................... 71

3.1.4 General Input Unit Alarm Reference .............................................................................................................................. 76

3.2 Cooling System Alarm Reference...................................................................................................................................... 80

3.3 Alarm Reference for the Intelligent Battery Monitoring System .................................................................................... 92

4 Troubleshooting .................................................................................................................. 93

4.1 Troubleshooting the Power Supply and Distribution System .......................................................................................... 93

4.1.1 Precision PDC Troubleshooting...................................................................................................................................... 93

4.1.2 Integrated UPS Troubleshooting..................................................................................................................................... 94

4.2 Troubleshooting the Cooling System ................................................................................................................................ 95

4.3 ECC800 Troubleshooting ................................................................................................................................................... 97

5 Parts Replacement ............................................................................................................. 100

5.1 Replacing Power Supply and Distribution System Components...................................................................................100

5.1.1 Parts Replacement for the Precision PDC ....................................................................................................................100

5.1.1.1 Replacing an SPD Module .........................................................................................................................................100

5.1.1.2 Replacing an Indicator ...............................................................................................................................................102

5.1.1.3 Replacing an MCB .....................................................................................................................................................104

5.1.1.4 Replacing a Fuse .........................................................................................................................................................108

5.1.1.5 Replacing the Monitoring Board ............................................................................................................................... 110

5.1.1.6 Replacing an MDU ..................................................................................................................................................... 112

5.1.2 Replacing Integrated UPS Components ....................................................................................................................... 113

5.1.2.1 Replacing a Fuse ......................................................................................................................................................... 113

5.1.2.2 Replacing an Indicator ............................................................................................................................................... 116

Issue 01 (2019-03-05)

Huawei Proprietary and Confidential

Contents

Table of Contents