Lincoln Electric SVM158-A ユーザーズマニュアル
V350-PRO
TROUBLESHOOTING & REPAIR
F-8
F-8
Observe Safety Guidelines
TROUBLESHOOTING GUIDE
detailed in the beginning of this manual.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con-
tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed.
Call 1-800-833-9353(WELD).
tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed.
Call 1-800-833-9353(WELD).
PROBLEMS
(SYMPTOMS)
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
COURSE OF ACTION
FUNCTION PROBLEMS
The display is not functioning prop-
erly.
erly.
of this manual for normal opera-
tion characteristics.
tion characteristics.
2. Check for proper current and
voltage calibration.
1. Check for loose or faulty plug
connections between the
Display board and the control
board. See the wiring diagram.
Display board and the control
board. See the wiring diagram.
2. The display board may be faulty.
3. The control board may be faulty.
A fault or error code is displayed.
For no apparent reason the welding
characteristics have change.
characteristics have change.
1. Check the welding cables for
loose or faulty connection.
2. Make sure the machine’s mode
and output are set correctly for
the process being used. (CV,
CC,TIG etc.)
the process being used. (CV,
CC,TIG etc.)
3. If Mig welding make sure the
shielding gas and wire speed are
correct for the process being
used.
correct for the process being
used.
4. Check for proper current and
voltage calibration.
1. Perform
the
2. Perform
the
3. Perform the Output Diode
4. The control board may be faulty.
5. The advanced process panel (If
used) may be faulty.