East EA990G5, Руководство по обслуживанию

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Content
Preface.................................................................................................................................................. i
1 Safety precautions............................................................................................................................1
1.1 Hazards....................................................................................................................................1
1.2 Warning....................................................................................................................................1
2 Description of model........................................................................................................................2
2.1 Description of EA990G5 10-30kVA serial model...................................................................2
2.2 Appearance introduction of EA990G5 10-30kVA series model..............................................3
2.3 The operation control LCD panel introduction of EA990G5 10-30kVA................................ 6
3 Internal Introduction.................................................................................................................... 23
3.1 System Configuration............................................................................................................23
3.2 System Block Diagram..........................................................................................................26
3.3 Introduction to Internal Boards............................................................................................. 27
4 Troubleshooting............................................................................................................................. 28
4.1 Repair tool List......................................................................................................................28
4.2 Troubleshooting process........................................................................................................28
4.3 Alarm information collection................................................................................................ 30
4.4 Common faults and troubleshooting methods.......................................................................30
4.5 Alarm detailed explanation and handling suggestions.......................................................... 30
5 Board replacement........................................................................................................................ 35
5.1 Board replacement of 10kVA model..................................................................................... 35
5.2 Board replacement of 15kVA model..................................................................................... 37
5.3 Board replacement of 20kVA model..................................................................................... 40
5.4 Board replacement of 30kVA model..................................................................................... 42
6 Board maintenance........................................................................................................................45
6.1 Maintenance of power board.................................................................................................45
6.2 Maintenance of IP/OP board................................................................................................. 58
6.3 Maintenance of Bypass board............................................................................................... 66
7 Test.................................................................................................................................................. 72