Troubleshooting & repair, Caution – Lincoln Electric PIPELINER 200 User Manual
Page 76
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
1. Check the welding cables for
loose or faulty connections.
2. The welding cables may be
excessively long or coiled.
3. Check the main DC generator
brushes for good commutation
and alignment. Contact the
Lincoln Electric Service Dept. 1-
888-935-3877.
1. The engine RPM may be low.
If necessary perform the
2. Perform the DC Exciter Test.
3. Check the fine current control
field rheostat for resistance
and proper operation. Normal
resistance is 64 ohms. Check
associated wires for loose or
faulty connections. See the
Wiring Diagram.
4. Check the current range
selector switch and contacts
for proper operation.
5. Perform the Main Generator
6. The main armature may be
faulty. Check for grounds.
The actual welding current is
much greater than is indicated
on the dials.
1. The engine operating speed
may be too high. If necessary
perform the Engine Throttle
2. While the machine is loaded,
check the series coils for signs
of “arcing.” This condition
could point to shorted turns in
the series coils.
3. Perform the DC Exciter Test.
1. Check the main DC generator
brushes for good commutation
and alignment. Contact the
Lincoln Electric Service Dept.
1-888-935-3877.
F-6
F-6
PIPELINER® 200
PROBLEMS
(SYMPTOMS)
The actual welding current is
much less than is indicated on
the dials.
TROUBLESHOOTING & REPAIR
OUTPUT PROBLEMS