EWM PHOENIX 421 EXPERT forceArc - Page 7

Contents
For your safety
Item No.: 099-004833-EWM01 7
6.8.5
Inserting the wire spool ..............................................................................................105
6.8.6 Changing the wire feed rollers....................................................................................105
6.8.7 Inching the wire electrode ..........................................................................................106
6.8.8 Spool brake setting.....................................................................................................107
6.9 TIG welding................................................................................................................................107
6.9.1 Welding torch connection...........................................................................................108
6.9.2 Connection for workpiece lead...................................................................................109
6.10 MMA welding .............................................................................................................................110
6.10.1 Connecting the electrode holder and workpiece lead ................................................111
6.11 Shielding gas supply..................................................................................................................112
6.11.1 Connecting the shielding gas supply..........................................................................112
6.11.2 Gas test ......................................................................................................................113
6.11.3 “Rinse tube package” function....................................................................................113
6.11.4 Setting the shielding gas quantity...............................................................................113
7 Maintenance and testing ...................................................................................................................114
7.1 General ......................................................................................................................................114
7.2 Cleaning.....................................................................................................................................114
7.3 Test............................................................................................................................................114
7.3.1 Test equipment...........................................................................................................114
7.3.2 Scope of the test.........................................................................................................115
7.3.3 Visual inspection.........................................................................................................115
7.3.4 Measuring the open circuit voltage.............................................................................115
7.3.5 Measurement of insulation resistance........................................................................115
7.3.6 Measuring the leakage current (protective conductor and contact current)...............115
7.3.7 Measurement of protective conductor resistance ......................................................116
7.3.8 Functional test of the welding machine......................................................................116
7.3.9 Documentation of the test ..........................................................................................116
7.4 Repair Work...............................................................................................................................117
7.5 Disposing of equipment .............................................................................................................118
7.5.1 Manufacturer's declaration to the end user................................................................118
7.6 Meeting the requirements of RoHS ...........................................................................................118
8 Warranty..............................................................................................................................................119
8.1 General Validity..........................................................................................................................119
8.2 Warranty Declaration.................................................................................................................120
9 Operating problems, causes and remedies ....................................................................................121
9.1 Error messages (power source) ................................................................................................121
10 Accessories, options.........................................................................................................................122
10.1 General accessories ..................................................................................................................122
10.2 Remote control / connection cable ............................................................................................123
10.3 Options.......................................................................................................................................123
10.4 Computer communication..........................................................................................................123
11 Circuit diagrams.................................................................................................................................124
11.1 PHOENIX 301 EXPERT forceArc..............................................................................................124
11.2 PHOENIX 351 EXPERT forceArc..............................................................................................127
11.3 PHOENIX 421 EXPERT forceArc..............................................................................................129
11.4 PHOENIX 521 EXPERT forceArc..............................................................................................131
11.5 PHOENIX DRIVE 4; 4L; PHOENIX EXPERT DRIVE 4; 4L.......................................................133
11.6 PHOENIX EXPERT DRIVE 4HS ...............................................................................................135
12 Appendix A .........................................................................................................................................136
12.1 Declaration of Conformity ..........................................................................................................136
13 Appendix B .........................................................................................................................................137
13.1 JOB Mapping .............................................................................................................................137