EWM PICO 230 - Page 5

Contents
For your safety
Item No.: 099-002032-EWM01 5
6.9
TIG welding..................................................................................................................................28
6.9.1 Connecting a TIG welding torch with rotating gas valve ..............................................28
6.9.2 Shielding gas supply (shielding gas cylinder for welding machine) .............................28
6.9.3 Connection for workpiece lead.....................................................................................29
7 Maintenance and care..........................................................................................................................30
7.1 General ........................................................................................................................................30
7.2 Cleaning.......................................................................................................................................30
7.3 Repetition test..............................................................................................................................30
7.3.1 Test intervals and scope ..............................................................................................31
7.3.2 Documentation of the test ............................................................................................31
7.3.3 Visual inspection...........................................................................................................31
7.3.4 Measurement of protective conductor resistance ........................................................31
7.3.5 Measurement of insulation resistance..........................................................................32
7.3.6 Measuring the leakage current (protective conductor and contact current).................32
7.3.7 Measuring the open circuit voltage...............................................................................32
7.3.8 Function test of the welding machine...........................................................................32
7.4 Repair Work.................................................................................................................................33
7.5 Disposing of equipment ...............................................................................................................34
7.5.1 Manufacturer's declaration to the end user..................................................................34
7.6 Meeting the requirements of RoHS .............................................................................................34
8 3-Year Warranty....................................................................................................................................35
8.1 General Validity............................................................................................................................35
8.2 Warranty Declaration...................................................................................................................36
9 Operating problems, causes and remedies ......................................................................................37
9.1 Error messages (power source) ..................................................................................................37
10 Spare parts list .....................................................................................................................................38
10.1 PICO 230; 230 CEL.....................................................................................................................38
10.1.1 Front view.....................................................................................................................38
10.1.2 Rear view......................................................................................................................39
10.1.3 Left-hand side...............................................................................................................40
10.1.4 Right-hand side ............................................................................................................41
10.2 PICO 260; 260 CEL; 260 CEL PWS............................................................................................42
11 Accessories, options...........................................................................................................................43
11.1 Remote control / connection cable ..............................................................................................43
11.2 Electrode holder / workpiece lead................................................................................................43
11.3 TIG welding torch.........................................................................................................................43
11.4 Options.........................................................................................................................................43
11.5 General accessories ....................................................................................................................43
12 Circuit diagrams...................................................................................................................................44
12.1 PICO 230 .....................................................................................................................................44
12.2 PICO 230 CEL .............................................................................................................................45
12.3 PICO 260 .....................................................................................................................................46
12.4 PICO 260 CEL .............................................................................................................................47
12.5 PICO 260 CEL PWS....................................................................................................................48
12.6 PICO 300 .....................................................................................................................................49
12.7 PICO 300 CEL .............................................................................................................................50
12.8 PICO 300 CEL PWS....................................................................................................................51
13 Appendix A ...........................................................................................................................................52
13.1 Declaration of Conformity ............................................................................................................52