Lincoln Electric MASTER LOAD IM575 - Manual (Page 14)

6 TROUBLESHOOTING & REPAIR 6
MASTER LOAD 750
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the
Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 216-383-2531 or
1-800-833-9353.
This Troubleshooting Guide is designed to be used by qualified service 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, please
observe all safety notes and precautions detailed in the Safety Sections of this manual to
avoid electrical shock or danger while troubleshooting this equipment.
This Troubleshooting Guide is provided to
help you locate and repair possible
problems.
Step 1. LOCATE PROBLEM (SYMPTOM)
Look under the column labeled “PROBLEM
(SYMPTOMS)”. This column describes
possible symptoms that your unit may
exhibit. Find the listing that best describes
the symptom that your machine is exhibiting.
Step 2. Check Possible Causes
The second column labeled “POSSIBLE
CAUSES/REMEDIES” lists typical
possibilities that may contribute to the
machine symptom. Perform these checks
and remedies in the order listed.
Step 3.
If you have exhausted all of the
recommended checks in step 2, contact the
Lincoln Electric Customer Service
Department.
WARNING
CAUTION
HOW TO USE TROUBLESHOOTING GUIDE