Lincoln Electric IM359-G Manual Do Utilizador
LN-25
E-4
TROUBLESHOOTING
Solenoid does not close when
trigger is pulled or purge button
is pressed. Wire feeds properly.
trigger is pulled or purge button
is pressed. Wire feeds properly.
1.
Make certain that plugs J2
and J3 are connected to the
control board securely.
and J3 are connected to the
control board securely.
RECOMMENDED
COURSE OF ACTION
COURSE OF ACTION
OUTPUT PROBLEMS
WELD PROBLEMS
POSSIBLE AREAS OF
MISADJUSTMENT(S)
MISADJUSTMENT(S)
PROBLEMS
(SYMPTOMS)
(SYMPTOMS)
Contact your local
Lincoln Authorized
Field Service Facility
Variable or “hunting” arc.
1.
Worn and/or melted contact
tip -Replace.
tip -Replace.
2.
Worn work cable or poor
work connection.
work connection.
3.
Loose electrode connect-
ions. -Check for loose or
faulty connections.
ions. -Check for loose or
faulty connections.
4.
Wrong electrode polarity for
process being used.
process being used.
Weld porosity, narrow and ropey
bead, or electrode stubbing into
plate when welding.
bead, or electrode stubbing into
plate when welding.
1.
Contaminated weld joint or
improper procedures. -
Clean joint and check
procedure (wire speed and
all voltage).
improper procedures. -
Clean joint and check
procedure (wire speed and
all voltage).
Motor feeds but there is no wire
feed speed control.
feed speed control.
1.
Make sure all molex plugs
and leads are securely
connected to the control
board.
and leads are securely
connected to the control
board.
2.
Check speed sensor - see
maintenance section.
maintenance section.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely,
contact your local authorized field service facility for technical troubleshooting assistance before you proceed.
contact your local authorized field service facility for technical troubleshooting assistance before you proceed.
CAUTION