Page 18
machine
has worked
a period
necessary
Power
indication lamp
off
See No. 2
6
Machine does not response
after push the start trigger
Trigger shortcut or
control cable broken
Replace/re-connect
Control transformer
failure
Replace
Input voltage is too low
Use rated Input
voltage
7
Arc fail to ignite or does not
ignite properly
The torch cable open
circuit
Re-connect
Control circuit board
failure
Check and repair the
circiut board
Poor contact at earth
lead and gun cable
Check and
re-connect
Loose or poor
connection with the
main power supply link
Check the connetion
Water in the air
compressor or filter
Drain water or
Change filter
8
Poor penetration during
cutting
Work piece thickness
excess the capacity of
the machine
Use higher capacity
cutter
Cutting speed is too fast
Slow down
Torch tilt to much
Adjust angle to
verical
Air pressure is too low
or too high
Adjust the pressure
Consumables are worn
Change
consumables
