Kemppi MinarcTig Evo 200 Service Manual

Kemppi Oy
CONTENTS
1. READ THIS FIRST ........................................................................................................................................... 1
2. GENERAL......................................................................................................................................................... 2
3. TECHNICAL INFORMATION ........................................................................................................................... 3
3.1. Technical data ........................................................................................................................................... 3
3.2. Wiring diagrams ........................................................................................................................................ 4
3.3. Construction .............................................................................................................................................. 5
3.3.1. Inner structure .................................................................................................................................... 6
3.3.2. Z001 main circuit card structure ........................................................................................................ 7
3.3.3. A001 control card structure ................................................................................................................ 8
3.3.4. A002 spark card structure .................................................................................................................. 9
3.3.5. P001 panel card structure .................................................................................................................. 9
3.4. Description of operation .......................................................................................................................... 10
3.4.1. Z001 Main circuit card ..................................................................................................................... 10
3.4.2. A001 Control card ............................................................................................................................ 11
3.4.3. A002 spark card ............................................................................................................................... 12
3.4.4. P001 panel card ............................................................................................................................... 12
3.4.5. Setup parameters ............................................................................................................................ 13
3.4.6. Error codes ...................................................................................................................................... 14
4. SERVICE INSTRUCTIONS ............................................................................................................................ 15
4.1. Programming ........................................................................................................................................... 15
4.2. Measurements and tests ......................................................................................................................... 15
4.2.1. Z001 Main circuit card ..................................................................................................................... 15
4.2.1.1. Input rectifier and PFC circuit ................................................................................................... 15
4.2.1.2. IGBT ......................................................................................................................................... 18
4.2.1.3. Secondary rectifier.................................................................................................................... 19
4.2.1.4. Voltages .................................................................................................................................... 19
4.2.1.5. Overheat protection .................................................................................................................. 20
4.2.2. A001 control card ............................................................................................................................. 22
4.2.3. Cooling fan ....................................................................................................................................... 22
4.2.4. Low voltage tests ............................................................................................................................. 22
4.2.5. Safety tests ...................................................................................................................................... 22
4.3. Semiconductor installation ...................................................................................................................... 22
4.3.1. Rectifier/PFC module and IGBT ...................................................................................................... 22
4.3.2. Secondary rectifier ........................................................................................................................... 23
4.4. Final testing ............................................................................................................................................. 23
5. NOTES ........................................................................................................................................................... 24
APPENDIX .......................................................................................................................................................... 24

Kemppi MinarcTig Evo 200 Specifications

General

Input Voltage	230 V
Protection Class	IP23
Power Factor	0.99
Welding Process	TIG, MMA
Duty Cycle TIG	35% at 200 A
Standards	IEC 60974-1, IEC 60974-10