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F-11
TROUBLESHOOTING AND REPAIR
F-11
DH-10
Observe all Safety Guidelines detailed throughout this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
The wire feeds for a few seconds
and stops. The voltage display
reads less than 8 VDC while the
wire is feeding.
The dual procedure switch is not
functioning at the gun on either
side of the DH-10.
The dual procedure switch func-
tions properly when attached to
one side of the DH-10 but will not
operate on the other side.
1. Make sure the electrode and
work cables are connected
securely and properly.
2. Make sure the #21 lead is con-
nected correctly at the power
source.
3. Make sure the power source is
operating correctly and capable
of putting out more than 8 VDC.
1. Make sure the dual procedure
switch is installed and connect-
ed properly.
2. The “Remote LED” on the
keypad must be lit and the
toggle switch on the remote
control (if used) must be in the
gun position.
1. Check the connections and
wiring between the dual
procedure switch and the gun
trigger connector.
2. Check the connections and
wiring between the wire drive
unit and the control box. Check
leads #519 and #520 through
the shielded cable to the control
board. See the Wiring Diagram.
1. Make sure the #21 lead has
continuity (zero ohms) to the
workpiece and #67 lead has
continuity (zero ohms) to the
electrode wire. See the Wiring
Diagram.
2. The control board may be
faulty.
1. The control board may be
faulty.
1. The control board may be
faulty.
FUNCTION PROBLEMS (Continued)
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric
Service Department for technical troubleshooting assistance before you proceed. Call 216-383-2531 or 1-800-833-9353.
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