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F-13
TROUBLESHOOTING AND REPAIR
F-13
DH-10
Observe all Safety Guidelines detailed throughout this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
The preset arc voltage does not
match the actual voltage.
The preset WFS does not match
the actual WFS.
1. Make sure the power source is
set for remote voltage control.
2. Make sure the DIP switches on
the DH-10 control board are set
correctly for the power source
being used.
1. Check the wiring and connec-
tions between the tachometer
and the control board. See the
Wiring Diagram.
2. Make sure the DIP switches on
the DH-10 control board are set
correctly.
3. The control board may be faulty.
1. The control board may be
faulty.
2. The control cable between the
power source and the DH-10
may be defective.
1. Perform the
Tach Adjustment
and Feedback Test
.
FUNCTION PROBLEMS (Continued)
CAUTION
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 216-383-2531 or 1-800-833-9353.
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