Справочник Пользователя для Lincoln Electric SVM149-A

Observe Safety Guidelines

detailed in the beginning of this manual.

The cutting arc starts but sputters
badly.

1.  Make sure the operating proce-

dure is correct for the process.
See the Operation section of
the manual.

2.  Make sure the work clamp is

connected tightly to the work
piece.

3.

Make sure the torch consum-
able parts are in place and in 
good condition.  Replace if 
necessary.

4.

Make sure the air pressure is 
set at 65psi.

5.

Make sure the air supply is not
contaminated with oil or 
excessive water.

1.   Check all connectors and 

wires for loose or faulty con-
nections. See Wiring Diagram.

2.  Perform  the  Torch Continuity

3.  Perform  the  Main Inverter

4.  

The control board may be
faulty.  Replace.

5.  Use the correct extension cord.

See the instruction manual.

The pilot arc is normal, but the arc
will not transfer to the work piece.

1.  

Make sure the operating
procedure is correct for the
process.  See the Operation
section of the manual.

2.  Make sure the work clamp is

connected tightly to the work
piece.

3.  The work piece must be electri-

cally conductive material, and
the work clamp must make a
good electrical connection with
the work piece.

4.  Do not use a drag cup.  Not

recommended for Pro-Cut 25
use.

1.   Check all connectors and 

wires for loose or faulty con-
nections. See Wiring Diagram.

2.  Perform the Main Inverter

Board Voltage and  Resistance
Tests.

3.  

The control board may be
faulty.  Replace.

Trigger or purge is activated brief
air flow then the safety light illumi-
nates.

1.  The Control Board is defective.

Replace.

Poor performance of pilot arc or
cutting.  Poor consumable life.

1.  Check pressure switch to be

functioning correctly
(opening/closing)  at its correct
pressure. 

2.  Check pressure gauge to be

correct in its reading.

3.  Check for recommended flow

rate coming from the torch end
with a flow meter.

1.  Try increasing or decreasing the

air pressure to see if conditions
improve.

2.  Replace regulator or pressure

switch may be required.

3.  Screen in air line at inlet to air

solenoid may be clogged.
Clean. (no screen before 7/1/02)

4.  Ensure that air is clean and dry

External filters may be used.