1.1 General Safety .............................................................................................................................................................. 1

1.2 Personnel Requirements ............................................................................................................................................... 4

1.3 Electrical Safety ............................................................................................................................................................ 4

1.4 Installation Environment Requirements ....................................................................................................................... 6

1.5 Mechanical Safety ........................................................................................................................................................ 7

1.6 Cooling System Safety ............................................................................................................................................... 10

1.7 Battery Safety ............................................................................................................................................................. 11

1.8 Others.......................................................................................................................................................................... 13

2 O&M Preparations ...................................................................................................................... 14

2.1 O&M Personnel Skill Requirements .......................................................................................................................... 14

2.2 Tools ........................................................................................................................................................................... 14

2.3 Reference Documentation ........................................................................................................................................... 17

3 Routine Maintenance ................................................................................................................. 19

3.1 Overview .................................................................................................................................................................... 19

3.2 Routine Maintenance Checklist .................................................................................................................................. 19

3.3 Monthly Maintenance ................................................................................................................................................. 20

3.4 Quarterly Maintenance ............................................................................................................................................... 24

3.5 Semiannual Maintenance ............................................................................................................................................ 30

3.6 Annual Maintenance ................................................................................................................................................... 37

4 Alarms and Troubleshooting .................................................................................................... 39

4.1 Alarm handling flowchart ........................................................................................................................................... 40

4.2 Viewing and Collecting Alarm Information ................................................................................................................ 40

4.3 Determining the Faulty Area and Alarm Severity ....................................................................................................... 41

4.4 Locating and Rectifying Faults ................................................................................................................................... 42

5 Parts Replacement ....................................................................................................................... 44

5.1 Common ECC800 Operations .................................................................................................................................... 44

5.1.1 Preparations and WebUI Login ................................................................................................................................ 44

5.1.2 Synchronizing the Configuration Parameters .......................................................................................................... 48

5.2 Replacing Power Supply and Distribution System Components ................................................................................ 48

Issue 04 (2020-01-03)

Contents