Kemppi MF 33 Service Manual

Table of contents
Technical data
Fastmig KM / MF............................................................................. 3
FastMig KMS / MFS........................................................................ 4
Fastmig KMS / MVU........................................................................ 5
Main circuit diagram
KM.................................................................................................... 6-7
MF.................................................................................................... 8
KMS................................................................................................. 9
MSF................................................................................................. 10
KM / MVU........................................................................................ 11
KMS / MVU..................................................................................... 12
Block diagram.................................................................................................... 13
Main circuit card Z001 KM / KMS
Operating diagram...........................................................................14
Operation principle.......................................................................... 15
Connectors...................................................................................... 16
Operational measurings.................................................................. 17
Capacitor card Z002
Operating diagram.......................................................................... 18
Connectors..................................................................................... 18
Secondary rectifier card Z003
Operating diagram.......................................................................... 19
Connectors..................................................................................... 19
Operational measurings................................................................. 19
Control card A001
Operating diagram.......................................................................... 20
Connectors..................................................................................... 21-22
Operation of the LEDs on control card........................................... 22
Motor control card A002
Operating diagram.......................................................................... 23
Connectors..................................................................................... 24
ID-chipcardA002 (MSF)
Connectors..................................................................................... 25
Panel card P001
Operating diagram.......................................................................... 26
Connectors..................................................................................... 26
Error codes........................................................................................................ 27
Setup menu....................................................................................................... 28
Wire feed speed calibration / KM.................................................................... 29-30
Structure
KM / KMS....................................................................................... 31-32
MF.................................................................................................. 33
MFS................................................................................................ 34
IGBT testing....................................................................................................... 35
IGBT replacing................................................................................................... 36
2

Kemppi MF 33 Specifications

General

Brand	Kemppi
Model	MF 33
Category	Welding System
Language	English