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LN-25X™
Service and Repair should only be performed by 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.
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If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized
Field Service Facility for technical troubleshooting assistance before you proceed.
TROUBLESHOOTING
HOW TO USE TROUBLESHOOTING GUIDE
WARNING
This Troubleshooting Guide is provided to help you locate
and repair possible machine malfunctions. Simply follow
the three-step procedure listed below.
Step 1. LOCATE PROBLEM (SYMPTOM).
Look under the column labeled "PROBLEM (SYMPOMS)."
This column describes possible symptoms that the
machine may exhibit. Find the listing that best describes
the symptom that the machine is exhibiting.
Step 2. POSSIBLE CAUSE.
The second column labeled "POSSIBLE CAUSE" lists the
obvious external possibilities that may contribute to the
machine symptom.
Step 3. RECOMMENDED COURSE OF ACTION
This column provides a course of action for the Possible
Cause, generally it states to contact you local Lincoln
Authorized Field Service Facility.
If you do not understand or are unable to perform the
Recommended Course of Action safely, contact you local
Lincoln Authorized Field Service Facility.
CAUTION
E-1
TROUBLESHOOTING
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