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F-11
TROUBLESHOOTING GUIDE
PROBLEMS
(SYMPTOMS)
The arc starts but sputters
badly. (If cutting expanded
metal, condition may be nor-
mal, see operation section.)
The
"MALFUNCTION"
"FAULT" LED starts blinking
during cutting or gouging.
Pilot arc is OK but cutting arc
will not establish.
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.
PRO-CUT 60
TROUBLESHOOTING & REPAIR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
CUTTING PROBLEMS
1. Make sure the torch con-
sumables are tight and are in
good condition. Replace if
necessary.
2. Check the air supply for oil or
water contamination.
there is oil or water present
the air supply must be fil-
tered
or
switched to nitrogen or
bottled air.
3. Make sure air pressure is
60 to 65 PSI.
4. Check spark gap setting -
.060" - clean if necessary.
or
1. This is an overcurrent con-
dition caused by a surge of
current the machine is not
designed
Release the torch trigger
and
resume
gouging.
2. Check torch consumables
for wear - replace if neces-
sary.
1. Make sure work cable and
clamp are secure.
2. Clean any painted or heavily
corroded work surfaces.
CAUTION
detailed in the beginning of this manual.
RECOMMENDED
COURSE OF ACTION
1. The
assembly could be faulty.
Perform the Torch, Torch
Cable
Internal Trigger and Safety
Circuit Tests.
If
2. Check Pilot Resistor R2.
See Wiring Diagram
the
machine
3. The Control Board could be
faulty. Replace.
4. Check "Jump Start Diode" -
see wiring diagram.
1. Perform
Torch
and Internal Trigger and
to
handle.
Safety Circuit Tests.
cutting
or
2. Perform
Module Test.
3. Perform the Main Trans-
former Test.
4. The Control Board could be
faulty. Replace.
1. Perform Transistor Module
Test.
2. Perform Power Board Test.
Observe Safety Guidelines
torch
and
cable
Assembly,
and
the
Torch,
Cable
Assembly,
the
Transistor
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