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Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
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 1-888-935-3877.
CAUTION
TROUBLESHOOTING AND REPAIR
F-8 F-8
INVERTEC® V450-PRO
General degradation of weld
performance.
1. Wire feed problem.
2. Cabling problems.
3. Verify weld mode is correct for
process.
4. Machine calibration.
1. Check for proper wire speed
and consistent feeding.
2. Check for poor connections
and/or excessive loops in the
weld cables.
NOTE: The presence of heat in
external welding circuits
indicates poor
connections or
undersized weld cables.
3. Select the correct weld mode
for the application. Refer to
the Instruction Manual.
4. Perform Choke Test.
5. Perform Current Transducer
Test and Check Sense Lead
Routing.
WELD AND ARC QUALITY PROBLEMS
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