F-1
TROUBLESHOOTING
MEGA FORCE
®
140i MP
®
TROUBLESHOOTING
How to Use Troubleshooting Guide
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.
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 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 your local
Lincoln Authorized Field Service Facility.
E
ELECTRIC SHOCK can kill.
•
Turn off machine at the disconnect switch
on the rear of the machine and remove
main power supply connections before
doing any troubleshooting.
WARNING
WARNING
