Kemppi Minarc 150 Service Manual

ContentsContents
Technical Technical
data………………………….…………data………………………….…………
…...…...
Operation Operation
principle…………………………………principle…………………………………
….….
Main Main
circuit……………………………circuit……………………………
……….……...……….……...
Troubleshooting diagram………………………...……Troubleshooting diagram………………………...……
Main ciruit Main ciruit
diagrams…………………………diagrams…………………………
……….……….
Block Block
diagram……………………………diagram……………………………
…….……..…….……..
Operational tests / measurings…………...........……...Operational tests / measurings…………...........……...
Measurings...……………………...…..Measurings...……………………...…..
Main transformer T001 prim. voltage...Main transformer T001 prim. voltage...
Main transformer T001 sec. voltage.....Main transformer T001 sec. voltage.....
Voltage after sec. rectifier..............…...Voltage after sec. rectifier..............…...
Auxiliary coil voltage..………………..Auxiliary coil voltage..………………..
Fan M001 voltage..........………………Fan M001 voltage..........………………
Pole voltage in OCV........…………….Pole voltage in OCV........…………….
Measuring points in the flat cable..…...Measuring points in the flat cable..…...
Gate control, upper IGBTs.…………...Gate control, upper IGBTs.…………...
Gate control, lower IGBTs.…………...Gate control, lower IGBTs.…………...
Aux. voltage in DC-link..………….….Aux. voltage in DC-link..………….….
Signal lamp H2 control / VRD ON..….Signal lamp H2 control / VRD ON..….
Main circuit card Z001 connectors.…………………...Main circuit card Z001 connectors.…………………...
Main circuit card Z001 layout…..……………………..Main circuit card Z001 layout…..……………………..
Control card A001 Control card A001
layout.……………………………layout.……………………………
....
Structure………………………………………………..Structure………………………………………………..
IGBT-transistor testing..............……………………….IGBT-transistor testing..............……………………….
Sec. diode Sec. diode
testing.............……………………………..testing.............……………………………..
Notes............……………………………Notes............……………………………
……………..……………..
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Kemppi Minarc 150 Specifications

General

Brand	Kemppi
Model	Minarc 150
Category	Welding System
Language	English