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If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
<0.96;0<9;BA5<?6G216291&2?C602.0696AF for technical troubleshooting assistance before you proceed.
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If all recommended possible areas
of possible cause have been
checked and the problem persists,
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BA5<?6G216291&2?C602.0696AF
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Machine shuts off (input contactor
drops out) when the welder output
terminals are made electrically
"hot".
(#2 to #4 closure at terminal strip.)
or OUTPUT TERMINALS switch
is in ON position.
The DC600 will NOT shut off when
the Power Switch is turned to
OFF.
#"&&
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1. Remove all welding cables and
control cables from the DC 600.
Jumper #2 to #4 at the terminal
strip or set OUTPUT TERMI-
NALS switch to ON position. If
the machine does NOT shut off
and normal open circuit voltage
is present at the welder output
terminals the problem is exter-
nal to the DC600. Either the
remote leads #75, #76 or #77
are grounded to the negative
output cable or there is a short
on the welding output terminals.
2. If the machine still shuts off
when all control and welding
cables are removed then the
problem is internal to the DC-
600.
1. Contact your local Lincoln
Authorized Field Service
Facility.
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