Lincoln Electric DH-10 Operator's Manual page 37

E-6
PROBLEMS
(SYMPTOMS)
Feeder key does not select head 1
or 2, but the head can be selected
by pulling the gun trigger.
OR
Pressing the procedure key does
not select between A - Remote - B.
Pressing the timer, control, or trig-
ger key has no effect while not
welding.
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 connector from the control
p.c. board to the display p.c.
board or the connector from the
display p.c. board to the keypad
are loose or improperly inserted.
2. Damaged keypad
3. Damaged display p.c. board.
4. Damaged control p.c. board.
1. Make sure that the DIP switches
on the control p.c. board are not
set for security mode.
2. The connector from the control
p.c. board to the display p.c.
board or the connector from the
display p.c. board to the keypad
are loose or improperly inserted.
3. Damaged keypad
4. Damaged display p.c. board.
5. 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
E-6