Table Of Contents - Kemppi Master S 400 Service Manual

CONTENTS
1. READ THIS FIRST ........................................................................................................................................... 1
2. GENERAL......................................................................................................................................................... 2
3. TECHNICAL INFORMATION ........................................................................................................................... 2
3.1. Technical data ........................................................................................................................................... 2
3.2. Wiring diagram .......................................................................................................................................... 3
3.3. Construction .............................................................................................................................................. 4
3.4. Assembly ................................................................................................................................................... 5
3.4.1. S 400 Z001 main circuit card structure .............................................................................................. 6
3.4.2. S 500 Z001 main circuit card structure .............................................................................................. 7
3.4.3. P001 Panel card structure ................................................................................................................. 8
3.5. Description of operation ............................................................................................................................ 9
3.6. Setup functions and error codes ............................................................................................................. 10
3.6.1. Setup functions and menu ............................................................................................................... 10
3.6.2. Error codes and error log menu ....................................................................................................... 11
3.6.2.1. Using error log .......................................................................................................................... 11
3.6.2.2. Erasing error log ....................................................................................................................... 12
3.6.3. Calibration menu .............................................................................................................................. 12
4. SERVICE INSTRUCTIONS ............................................................................................................................ 14
4.1. Measurements and tests ......................................................................................................................... 14
4.1.1. Z001 Main circuit card ..................................................................................................................... 14
4.1.1.1. Primary rectifier ........................................................................................................................ 14
4.1.1.2. IGBT ......................................................................................................................................... 14
4.1.1.3. Overheat protection .................................................................................................................. 16
4.1.2. Secondary rectifier ........................................................................................................................... 17
4.1.3. Cooling fans ..................................................................................................................................... 17
4.1.4. Safety tests ...................................................................................................................................... 17
4.2. Semiconductor installation ...................................................................................................................... 18
4.2.1. Rectifier and IGBT modules ............................................................................................................. 18
4.2.2. Secondary rectifier ........................................................................................................................... 18
4.2.3. Secondary power rail ....................................................................................................................... 18
4.3. Calibration procedure .............................................................................................................................. 19
4.4. Final testing ............................................................................................................................................. 20
4.4.1. Load bank test ................................................................................................................................. 20
4.4.2. Test welding ..................................................................................................................................... 21
5. NOTES ........................................................................................................................................................... 22
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