D-3 MAINTENANCE AND TROUBLESHOOTING D-3
HOW TO USE TROUBLESHOOTING GUIDE
Before arc welding machines are dispatched from the factory, they have already been
tested. Therefore no unauthorised modifications are allowed.
Unauthorised 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.
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
(SYMPTOMS)”. 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 third 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.
If you do not understand or are unable to perform the
Recommended Course of Action safely, contact your
local Lincoln Authorized Field Service Facility.
WARNING
ELECTRIC SHOCK can kill.
1. Have an electrician install and service this
equipment.
2. Turn the input power off at the fuse box
before working on equipment.
3. Do not touch electrically hot parts.
If for any reason you do not understand the test procedure or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
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