Saf-Fro PRESTOJET 60, Operator'S Manual, Page: 13 / 224

English 9 English
Error condition list.
If occurs, try to turn Off the machine, wait for a few
seconds, then turn ON again. If the error remains, a
maintenance is required. Please contact the nearest
technical service center or Lincoln Electric and report the
LED Status found on the machine Front Panel.
Head Torch
On Blink Blink
This occurs if after 4seconds the Pilot Arc
isn’t transfered to the workpiece. The
machine stops the pilot arc to avoid
overheating on the Torch Head.
To restore the machine:

Release the Torch Trigger
pushbutton. The blinking LEDs are
now permanently ON

Press again the release the Torch
Trigger pushbutton.
No pilot arc
estabilished
On On On
The Torch Trigger pushbutton is pressed.
During this period the machine try to start
the pilot arc for 4 times. If the pilot arc
doesn’t start the machine automatically
goes in a safe condition that allow to
check as necessary.
To restore the machine:

Turn OFF the Power switch.

Check the correct placement of the
Torch Head consumables and parts.

Check the Torch electrical
connections.

Turn ON again the machine.
Trigger
Pushed
On On On On
This occurs if the machine is switched
ON (or if it restart after cooling time) with
the Torch Trigger pushbutton hold. This
status avoids unsafe operating
conditions: manual cutting or gouging
processes must be started ONLY under
the direct control of the operator.
To restore the machine:

Release the Torch Trigger
pushbutton.

Press again the Torch Trigger
pushbutton.
If this error condition persist check for
eventual malfunctions of the the Torch
Trigger pushbutton.
Rear Panel Controls and Connections
A. Fan: This machine
has a F.A.N. (Fan As
Needed) circuitry
inside: the fan is
automatically turned
ON or OFF. This
feature reduces the
amount of dirt which
can be drawn inside
the machine and
reduces power
consumption. When
the machine is turned
ON the fan will turn
ON. The fan will
continue to run
whenever the torch trigger pushbutton is pressed. If
the torch trigger pushbutton is released for more than
five minutes, the fan will turn OFF.
B. Power Switch: It turns ON / OFF the input power to
the machine.
C. Input cable: Connect it to the mains.
D. Gas Inlet: Connect here the hose carrying the gas to
the machine.
WARNING
A clean, dry primary gas (air or nitrogen) must be
supplied to the machine. A pressure setting above
7,5bar could damage the torch. Failure to observe
these precautions could result in excessive operating
temperatures or damage to the torch.