Filter
Top Products
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC
TROUBLESHOOTING & REPAIR
PRO-CUT 60
F-11
PROBLEMS
(SYMPTOMS)
The arc starts but sputters
badly. (If cutting expanded
metal, condition may be nor-
mal, see operation section.)
The "MALFUNCTION" or
"FAULT" LED starts blinking
during cutting or gouging.
Pilot arc is OK but cutting arc
will not establish.
POSSIBLE AREAS OF
MISADJUSTMENT(S)
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. If
there is oil or water present
the air supply must be fil-
tered or the machine
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.
1. This is an overcurrent con-
dition caused by a surge of
current the machine is not
designed to handle.
Release the torch trigger
and resume cutting or
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.
RECOMMENDED
COURSE OF ACTION
1. The torch and cable
assembly could be faulty.
Perform the Torch, Torch
Cable Assembly, and
Internal Trigger and Safety
Circuit Tests.
2. Check Pilot Resistor R2.
See Wiring Diagram
3. The Control Board could be
faulty. Replace.
4. Check “Jump Start Diode” -
see wiring diagram.
1. Perform the Torch,
Torch Cable Assembly,
and Internal Trigger and
Safety Circuit Tests.
2. Perform the Transistor
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.
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.
TROUBLESHOOTING GUIDE
Observe Safety Guidelines
detailed in the beginning of this manual.
CUTTING PROBLEMS
CAUTION