Plasma 70 S
Operating Manual Page 12
Pressing of torch trigger
actuates pilot contactor,
however,
one mains phase not
connected (mains fuse has
been tripped, interrupted
lead of mains cable)
total failure of the pilot
arc or interruption of the
pilot arc
excessive working pressure
see chapter 7.3 ‘Regulation of
compressed air’
Pilot arc is availbale /
however, total failure of
one mains phase not
connected
check mains fuse
check mains cable
earth cable not connected
or without contact to
workpiece due to impurities
(paint ect.)
clamp earth cable to workpiece
or improve contact
torch fault indicator is lit
see chapter ‘Control elements’
check / exchange torch elements
cutting arc available,
however, bad cut quality/
insufficient supply of
compressed air
see chapter 7.3 ‘Regulation of
compressed air’
insufficient cutting
performance
wrong plasma nozzle fitted
on torch
see chapter 7.2 ’Torch
equipment’
wear of the plasma nozzle
or electrode
check / exchange plasma nozzle /
electrode
insufficient cutting speed
see chapter 8.2 ‘Cutting’
cutting current setting too
high
see chapter 7.1 ‘Regulation of
cutting current’