Lincoln Electric LN-10 Operator's Manual page 36

E-5
PROBLEMS
(SYMPTOMS)
Pressing the procedure key does
not select between A - Remote - B.
Pressing the timer or control key has
no effect while not welding.
Pressing the trigger 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.
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.
CAUSE
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.
CAUTION
LN-10
RECOMMENDED
COURSE OF ACTION
E-5