Lincoln Electric DH-10 Operator's Manual page 36

E-5
PROBLEMS
(SYMPTOMS)
Cold feed forward or cold feed
reverse buttons on keypad do not
work, but motor control otherwise
functions properly for both motors.
Gas purge key does not operate
the gas solenoid, but gas flow does
occur while 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. 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
DH-10
RECOMMENDED
COURSE OF ACTION
E-5