Lincoln Electric IMt10100 WIRE FEEDER WELDER 140_180 - Manual (Page 28)

E-3 TROUBLESHOOTING E-3
WIRE FEEDER WELDERS (140, 180 MODELS)
Observe all Safety Guidelines detailed throughout this manual
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.
CAUTION
PROBLEMS
(SYMPTOMS)
Low or no gas flow when gun
trigger is pulled. Wire feed, weld
output and fan operate normally.
POSSIBLE
CAUSE
1. Check gas supply, flow regulator
and gas hoses.
2. Check gun connection to
machine for obstruction or leaky
seals.
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service
Facility.
GAS FLOW PROBLEMS
PROBLEMS
(SYMPTOMS)
Arc is unstable – Poor starting
POSSIBLE
CAUSE
1. Check for correct input voltage
to machine.
2. Check for proper electrode
polarity for process.
3. Check gun tip for wear or dam-
age and proper size – Replace.
4. Check for proper gas and flow
rate for process. (For MIG only.)
5. Check work cable for loose or
faulty connections.
6. Check gun for damage or
breaks.
7. Check for proper drive roll orien-
tation and alignment.
8. Check liner for proper size.
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service
Facility.
WELDING PROBLEMS