Kemppi MasterTig AC/DC 2000 Service Manual page 2

Contents
Technical data................................................... 4, 5
Switches and connectors........................................6-8
Function panels................................................... 8, 9
Jumper functions..........................................................10, 11
Error codes....................................................... 12
Operation principle.............................................12-14
Block diagram....................................................14
Filter cards........................................................15, 16
Filter card layout.................................................. 16, 17
Main circuit cards...............................................18, 19
Main circuit cards layout.......................................19, 20
Voltage selector switch (2500).............................. 21
Secondary circuit components................................21, 22
Diode card layout................................................23
Cooling unit....................................................... 23
Filter card Z004 layout..........................................24
Cooling unit control card A005.................................24
Control card A005 layout......................................25
Control card A001 functions...................................25
Control card A001 connectors................................ 26
Control card A002 functions and connectors..............27, 28
Control card A002 layout..................................... 29
Control card A003 functions and connectors..............30
Control card A003 layout..................................... 31
Control card A004 functions and connectors..............32
Control card A004 layout......................................32
Structure .......................................................... 33-35
Troubleshooting.................................................. 36, 37
Net voltage functional limits..........................................38
Signals between control cards A001 and A002............38-46
Measurings from control card A002 connector X8.......46, 47
Measurings from control card A002 connector X9........48, 49
Measurings from control card A002 connector X10......50-52
Measurings from control card A002 connector X11......52, 53
Measurings from control card A002 connector X20......53
Measurings from control card A003 connector X3.......54, 55
Measurings from control card A003 connector X8........56, 57