Lincoln Electric E500 Welding System User Manual


 
E500
D-1
TROUBLESHOOTING
D-1
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local
Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
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 pos-
sible symptoms that the machine may exhib-
it. 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 possibili-
ties 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 you local Authorized Field
Service Facility.
HOW TO USE TROUBLESHOOTING GUIDE
Service and Repair should only be performed by 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.
__________________________________________________________________________
WARNING
WARNING
ELECTRIC SHOCK can kill.
Do not touch electrically hot parts.
Have an electrician install and service this equip-
ment.
Turn the input power off at the fuse box before
working on equipment.