Troubleshooting and repair, Caution – Lincoln Electric EAGLE SVM192-A User Manual
Page 43
OUTPUT PROBLEMS
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
Machine has low welding output
and low auxiliary output.
1. The
brushes
may
be
worn.
Contact
your
local
Lincoln
Authorized Service Facility.
2. The engine RPM may be low.
1. If the engine HIGH IDLE RPM
is
low,
then
perform
2. Perform
the
3. If the rotor voltage is low the
Field Capacitor (C1) or the Field
Bridge (D2) may be faulty. Test
and replace if necessary.
4. Check
the
Output
Control
Potentiometer.
Normal resis-
tance is 10,000 ohms.
Also
check
associated
wiring
for
loose or faulty connections.
5. The
Rotor
may
be
faulty.
Perform the
6. The Printed Circuit Board may
be faulty. Replace.
7. If the engine HIGH IDLE RPM is
OK, then the engine may have
lost horsepower and be in need
of major repair.
TROUBLESHOOTING AND REPAIR
F-7
F-7
EAGLE™ 10,000