Lincoln Electric DH-10 Operator's Manual page 34

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PROBLEMS
(SYMPTOMS)
Poor arc striking with sticking or
"blast-offs", weld porosity, narrow
and ropy looking bead, or electrode
stubbing into the plate while weld-
ing.
Tip seizes in the diffuser.
Motor does not turn when trigger is
pulled.
One sideʼs drive motor does not turn
although arc voltage is present and
the gas solenoid is on.
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. Improper procedures or techniques.
2. Improper gas shielding.
1. Tip overheating because of pro-
longed or excessive high current
and/or duty cycle welding.
1. The wire drive motor may be over-
loaded. "Hxx" will be displayed on
the WFS display, where "xx" is the
number of seconds until the wire
drive attempts to run again.
2. On G3041-2 and newer control P.C.
boards, a jumper plug or K1558-1
Remote Switch Interface Module
must be properly installed into con-
nector J5.
3. Damaged wiring in the trigger circuit.
4. Control p.c. board failure.
1. Damaged leads to the drive motor.
2. Damaged wire drive motor.
3. 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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