ontime AVC118, Instruction Manual

Page: 26 / 27

SHENZHEN ONTIME TECHNOLOGY CO.LTD
26
TROUBLE SHOOTING
Error Description Possible cause Corrective action
1
When power on, the
torch moves upward
continuously.(if the IHS
proximity switch is
used
）
1
、
The IHS proximity
switch not installed
properly.
Reinstall The IHS
proximity switch
properly.
2
、
The IHS proximity
switch is faulty.
Replace the IHS
proximity switch.
2 Arc voltage unstable Check the GND connection.
Check the pressed air filter of plasma.
Check the arc voltage divide board.
3 The controller does not
respond the CNC
signal.
AVC118 controller may
not be at the standby
status.
Make the controller
return to the standby
status.
4 Plasma arc transfer
difficult.
Check the work cable connection.
Check if the IHS height too high.
Check the torch consumable.
5 Torch diving to the
workpiece just when
the cutting machine
start motion.
CNC auto enable signal active too early.
The working arc voltage is set too lower.
Pierce time is set too long when cutting thin
workpiece.
6 Torch diving to the
workpiece when
cutting torch across
kerf.
Arc voltage toleration range set too wide, the
auto height control disable function did not
active.
Decrease the value of arc voltage toleration
range .