Portable Plasma Torch Height Controller Manual (F1620)
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7 After IHS have
accomplished, auto
arc start is closed.
Plasma power
source can not start
arc start, or arc
start relay is not
closed
1. Coming back THC arc start relay wiring,
make two wiring which control plasma power
source start arc start connect, observe whether
plasma can make arc start work normally.
2. If plasma can make arc start work normally,
user should check whether THC arc start relay
can be closed normally(when the button named
【ARCON TEST】is pressed, arc start relay
should be closed).
8 Torch can not start
arc start
1. Confirming the plasma power source is
working
2. Check whether IHS height is too high(or
low)
3. Check torch part which it is easy to damage.
4. When torch retaining cap is sensing,
electrode and the nozzle have scum which made
by cutting, it can make short circuit happen.
9 When CNC make
torch start work,
torch decline
immediately.
When CNC make
torch start work
and arc voltage is
too high, if auto
height control start
work, torch will
decline
immediately.
1. Increasing arc voltage setting value.
2. Extending the time which CNC start auto
height control need spend.
3. Check whether the corner low speed signal
of CNC or auto signal is normal, in genal, auto
height control signal is not joined before torch
cut a few millimeters.
10 After arc have
shifted and piercing
have accomplished,
plasma make arc
start stop to work.
1. Delay time is too long.(before torch
machine move, torch stay time is too long in
piercing position, plasma is easy to make arc
start stop to work)
11 When auto IHS
work, torch is not
uplifted after it
collide steel plate.
THC do not
receive collision
signal or IHS
height is too small.
1. Check whether collision signal can work
normally(check whether proximity switch or
torch retaining cap can reflect the collision
situation normally). If it can not reflect the
collision situation normally, IHS will not be
accomplished.
2. Check whether positioning height time
setting is too small, if this setting value is too
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