Lincoln Electric DH-10 Operator's Manual page 38

E-7
PROBLEMS
(SYMPTOMS)
One of the knobs changes the dis-
play, but the other doesnʼt.
Neither knob changes the display.
Displays & LEDʼs on keypad are off.
The green and red LEDʼs on the
control p.c. board are off.
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.
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
POSSIBLE
1. The display is in a mode that
can only use one encoder.
2. The connector from the control
p.c. board to the encoder p.c.
boards may be loose or improp-
erly inserted.
3. Damaged encoder p.c. board.
4. Damaged control p.c. board.
1. Make sure that the WFS and
volts setting is not restricted by
the limits setting.
2. The connector from the control
p.c. board to the encoder p.c.
boards may be loose or improper-
ly inserted.
3. Damaged control p.c. board.
4. Damaged encoder p.c. boards.
1. Power source is off.
2. Power source supply is not sup-
plying 42 VAC to the wire feeder
control box.
3. Damaged input power wiring in
the DH-10 control box.
4. Damaged control p.c. board.
CAUSE
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.
CAUTION
DH-10
RECOMMENDED
COURSE OF ACTION
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