43
EN
Contents
General information 45
Foreword and safety instructions ............................................................................................................... 47
Safety.................................................................................................................................................... 47
Protective measures against ESD ........................................................................................................ 47
Fronius Technical Support.................................................................................................................... 47
Ordering spare parts............................................................................................................................. 47
Service manual contents....................................................................................................................... 47
Tools and measuring devices ............................................................................................................... 47
Changing components.......................................................................................................................... 48
Safety inspection................................................................................................................................... 48
Appendix............................................................................................................................................... 48
Tools and measuring devices .................................................................................................................... 49
General ................................................................................................................................................. 49
Tools required....................................................................................................................................... 49
Ancillary materials................................................................................................................................. 49
Troubleshooting ......................................................................................................................................... 50
Service codes ....................................................................................................................................... 50
Troubleshooting .................................................................................................................................... 50
Changing components 53
Changing components ............................................................................................................................... 55
Safety.................................................................................................................................................... 55
Removing the housing .......................................................................................................................... 55
Fitting the housing................................................................................................................................. 56
Replacing the display............................................................................................................................ 57
Replacing the mains filter...................................................................................................................... 59
Replacing the AC socket....................................................................................................................... 60
Replacing the main switch .................................................................................................................... 62
Replacing the fan.................................................................................................................................. 63
Replacing the power module PC board ................................................................................................ 65
Replacing the diode .............................................................................................................................. 67
Replacing the secondary wiring............................................................................................................ 68
Replacing the charger leads ................................................................................................................. 69
Safety Inspections 71
Safety Inspections...................................................................................................................................... 73
Safety inspection................................................................................................................................... 73
Responsibility........................................................................................................................................ 73
Area of application ................................................................................................................................ 73
Inspection staff qualifications................................................................................................................ 73
Measuring instruments.......................................................................................................................... 73
Visual inspections ...................................................................................................................................... 75
General ................................................................................................................................................. 75
Mains supply and connecting lines ....................................................................................................... 75
Housing and covers .............................................................................................................................. 75
Adjustment and display devices............................................................................................................ 75
Rating plate and warning stickers......................................................................................................... 75
Electrical tests............................................................................................................................................ 76
Ground conductor resistance................................................................................................................ 76
Insulation resistance ............................................................................................................................. 77
Ground conductor current..................................................................................................................... 78
Contact current ..................................................................................................................................... 80
Function tests.................................................................................................................
............................ 81
Function ................................................................................................................................................ 81
Mains power on/off equipment.............................................................................................................. 81
Indicators and controls.......................................................................................................................... 81
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