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TROUBLESHOOTING & REPAIR
F-6 F-6
PRO-CUT 80
Observe Safety Guidelines TROUBLESHOOTING GUIDE
detailed in the beginning of this manual.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con-
tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
1-800-833-9353.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
FUNCTION PROBLEMS
The air begins to flow when the
torch trigger is pulled. There is a
very brief pilot arc. (Normal is 3
seconds.) The sequence is repeat-
ed with subsequent trigger pulls.
1. Make sure the air pressure is
set at 70 psi (448 kPa.)
2. Make sure the torch consum-
ables are in place and in good
condition.
3. Make sure the air flow is not
restricted.
1. Perform the Torch Continuity
and Solenoid Test.
2. The output board may be faulty.
Replace.
3. The control board may be
faulty. Replace.
The cutting arc starts but sputters
badly.
1. Make sure the operating proce-
dure is correct for the process.
See the Operation section of
this manual.
2. Make sure the work clamp is
connected tightly to the work-
piece.
3. Make sure the torch consum-
ables are in place and in good
condition.
4. Make sure the air supply is not
contaminated with oil or exces-
sive water.
5. Make sure the air pressure is
set at 70 psi (448 kPa.)
1. Perform the Torch Continuity
and Solenoid Test.
2. The output board may be faulty.
Replace.
3. The control board may be
faulty. Replace.