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TROUBLESHOOTING AND REPAIR |
PC BOARD TROUBLESHOOTING GUIDE
WARNING
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact the Lincoln Electric Service Department for electrical trou- bleshooting assistance before you proceed. Call
TEST DESCRIPTION
This is a quick reference guide to explain the function of the LEDs (Light Emitting Diodes) on the PC Boards. If one (or more) of the LEDs is not performing correctly, see the test for the individual boards
MATERIALS NEEDED
Misc Hand Tools
Wiring Diagram or Machine Schematic
TEST CONDITIONS |
|
POWER SWITCH | ON |
MODE SWITCH | CV INNERSHIELD |
LOCAL/REMOTE Switch | LOCAL |
OUTPUT TERMINAL SWITCH | ON |
