ESAB CROSSBOW - Page 140

ESAB Cutting Systems
CROSSBOW Page 140
Fault Symptoms What To Check Possible Causes Recommended Solutions
The system will only
cut a straight line, it
will not cut a circle.
Select a different program
and test the system.
If the other programs will
run, there is a problem
with the original program.
Check the program.
If no program will run,
there may be a problem
with the parameter
settings.
Record the settings for
Numerator and Denominator in
the SYSTEM Parameters. Then
reset the factory parameters.
Reboot the system and then re-
enter the recorded values for
Numerator and Denominator.
Save the parameters and test
the system performance.
Screen blinks when
the Cut Oxygen
solenoid valve
opens, or when
plasma arc starts.
Check ground
(Work/Table) connection
of the Initial Height
Sensing cable.
Electrical noise, loose
ground connection.
Make sure ground connection is
tight, and is making good
electrical contact. Make sure all
cables are connected properly
and are in good condition.
NOTE: This machine is not
recommended for use with
plasma systems that utilize a
high-frequency starting arc.
Outputs do not turn
on when indicated
on screen (Cut-Oxy
Solenoid or Plasma
Start)
Check 24 Volt power
supply. Measure voltage
between wires labelled
24V and 24G at the Main
Power Supply.
If missing 24 Volts DC,
power supply may have
failed.
Check and replace the Main
Power Supply.
Check if the four relays on
rear of CNC Unit.
Relay may be loose or un-
seated in socket, or may
have failed.
Re-seat or replace relays.
Warning
There is the hazardous voltage inside the device. All servicing should be referred to a
qualified service technician.