TABLE OF CONTENTS
SECTION 6: TROUBLESHOOTING ........................................................................ 6-1
6.01 Power Source / Wirefeeder Faults ................................................................... 6-1
6.02 Checking Unit Before Applying Power ............................................................ 6-2
6.03 Tools Needed for Troubleshooting and Servicing ............................................ 6-2
6.04 Case Removal ................................................................................................. 6-3
6.05 Visually Inspect ............................................................................................... 6-4
6.06 Check Main Output Rectifier .......................................................................... 6-5
6.07 Check main On / Off Switch ............................................................................ 6-6
6.08 Check Main AC Contractor .............................................................................. 6-7
6.09 Control PCB ................................................................................................... 6-8
6.10 Circuit Diagram for Control PCB ................................................................... 6-10
6.11 Advanced Troubleshooting ............................................................................ 6-14
6.12 Test Specification .......................................................................................... 6-18
6.13 WELDSKILL 250 MIG POWER SOURCE CIRCUIT DIAGRAM ........................ 6-19
6.14 WELDSKILL 350 MIG POWER SOURCE CIRCUIT DIAGRAM ........................ 6-20
SECTION 7: DISASSEMBLY PROCEDURE .............................................................. 7-1
7.01 Safety Precautions for Disassembly ............................................................... 7-1
7.02 Control Board Removal ................................................................................... 7-2
7.03 Front Panel Assembly Removal ...................................................................... 7-4
7.04 Wirefeeder Assembly Removal ....................................................................... 7-6
7.05 Back Panel Removal ....................................................................................... 7-7
7.06 Power Switch S1 and Power Cord Removal ................................................... 7-8
7.07 Output Rectifier Removal ................................................................................ 7-9
SECTION 8: ASSEMBLY PROCEDURES ................................................................. 8-1
8.01 Installing Output Rectifier Assembly ............................................................... 8-1
8.02 Installing Back Panel ....................................................................................... 8-2
8.03 Installing Front Panel ...................................................................................... 8-4
8.04 Installing Main Control Panel ......................................................................... 8-6
8.05 Installing Case ................................................................................................ 8-7
SECTION 9: REPLACEMENT PARTS ..................................................................... 9-1
9.01 Power Source ................................................................................................. 9-1
SECTION 10: OPTIONS AND ACCESSORIES ..........................................................10-1
10.01 Options and Accessories .............................................................................. 10-1
CIGWELD LIMITED WARRANTY
TERMS OF WARRANTY-JANUARY 2011
WARRANTY SCHEDULE-JANUARY 2011
GLOBAL CUSTOMER SERVICE CONTACT INFORMATION
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