1.1 Personal Safety.........................................................................................................................................................................2

1.2 Electrical Safety........................................................................................................................................................................ 3

1.3 Environmental Requirements.............................................................................................................................................. 5

1.4 Mechanical Safety................................................................................................................................................................... 7

1.5 UPS Safety............................................................................................................................................................................... 11

1.6 Cooling System Safety.........................................................................................................................................................12

1.7 Battery Safety......................................................................................................................................................................... 13

2 O&M Preparations.................................................................................................................19

2.1 O&M Personnel Skill Requirements................................................................................................................................19

2.2 Tools.......................................................................................................................................................................................... 20

2.3 Reference Documentation................................................................................................................................................. 22

3 Routine Maintenance........................................................................................................... 24

3.1 Overview.................................................................................................................................................................................. 24

3.2 Routine Maintenance.......................................................................................................................................................... 25

3.3 Monthly Maintenance......................................................................................................................................................... 27

3.4 Quarterly Maintenance....................................................................................................................................................... 32

3.5 Semiannual Maintenance.................................................................................................................................................. 41

3.6 Annual Maintenance........................................................................................................................................................... 52

4 Alarms and Troubleshooting.............................................................................................. 54

4.1 Alarm Handling Flowchart................................................................................................................................................ 55

4.2 Viewing and Collecting Alarm Information................................................................................................................. 55

4.3 Determining the Faulty Area and Alarm Severity..................................................................................................... 56

4.4 Locating and Rectifying Faults......................................................................................................................................... 56

5 Parts Replacement................................................................................................................ 58

5.1 CommonECC800-Pro Operations.................................................................................................................................... 58

5.1.1 Preparations and WebUI Login..................................................................................................................................... 58

5.1.2 Synchronizing the Configuration Parameters.......................................................................................................... 62

5.2 Replacing Power Supply and Distribution System Components.......................................................................... 62

5.2.1 Parts Replacement for the Precision PDF..................................................................................................................62

Issue 02 (2022-07-30)