-
19
-
No.
Problem
Root cause
What to do
4
The "machine
-
on"
light is lit. Digital
display meter
functional and fan
operational.
Error indicator light
is off. No
high
-
frequency
discharge sound
when torch trigger
is activated. Air
out. No no
-
load
output.
Arc ignition coil primary
wire has poor contact.
Fasten the connecting
wire.
Oxidation of spark gap or
spark gap too great.
Remove the oxide film on
spark gap surface and/or
adjust gap to 1mm.
Damaged high
-
frequency
arc ignition device.
Determine which parts
are damaged and
replace.
Poor contact of high
temperature wire with
terminal on main
transformer.
Tighten the terminal
blocks
5
When cutting, the
output current is
unstable or not
controlled by the
potentiometer.
Damaged potentiometer.
Replace the
potentiometer.
Poor or loose contact at
the connecting wire of the
potentiometer,
Fasten the connecting
wire.
6
Fan, digital display
meter and
solenoid valve
operational. No
pilot arc output.
Error indicator light
off. No
high-frequency
discharge sound.
Poor contact between the
primary wire of the arc
ignition coil and the arc
ignition plate.
Fasten the connecting
wire.
Oxidized spark gap.
Remove oxide film on
spark gap surface.
Damaged high
-
frequency
arc ignition device.
Determine which parts
are damaged and
replace.
Poor contact of high
temperature wire with
terminal on main
transformer.
Tighten the terminal
blocks.
