Return to Section TOC
Return to Master TOC
TROUBLESHOOTING & REPAIR | ||
|
| |
|
|
|
HOW TO USE 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 and 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.
Return to Section TOC
Return to Section TOC
Return to Master TOC
Return to Master TOC
This Troubleshooting Guide is provided to help you locate and repair possible machine mal- functions. Simply follow the
Step 1. LOCATE PROBLEM (SYMPTOM). Look under the column labeled “ PROBLEM (SYMPTOMS). This column describes possible symptoms that the machine may exhibit. Find the listing that best describes the symptom that the machine is exhibiting. Symptoms are grouped into three main categories: Welding Problems, Engine Problems, and Output Problems.
Step 2. PERFORM EXTERNAL TESTS. The second column, labeled “POSSIBLE AREAS OF MISADJUSTMENT(S)”, lists the obvious exter- nal possibilities that may contribute to the machine symptom. Perform these tests/checks in the order listed. In general, these tests can be conducted without removing the case wrap- around cover.
Step 3. PERFORM COMPONENT TESTS. The last column, labeled “Recommended Course of Action lists the most likely compo- nents that may have failed in your machine. It also specifies the appropriate test procedure to verify that the subject component is either good or bad. If there are a number of possible com- ponents, check the components in the order listed to eliminate one possibility at a time until you locate the cause of your problem.
All of the referenced test procedures referred to in the Troubleshooting Guide are described in detail at the end of this chapter. Refer to the Troubleshooting and Repair Table of Contents to locate each specific Test Procedure. All of the referred to test points. components, termi- nal strips, etc., can be found on the referenced electrical wiring diagrams and schematics. Refer to the Electrical Diagrams Section Table of Contents to locate the appropriate diagram.
Return to Section TOC
Return to Master TOC
CAUTION
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 troubleshooting assistance before you proceed. Call
