Plasma CUTTER 150
Operating Manual Page 12
Malfunction/error Cause Remedy
fault indicators for
compressed air,
temperature or safety cover
are lit
see chapter 5 ‘Control elements’
Pressing of torch trigger
actuates pilot contactor,
however,
one mains phase not
connected (mains fuse has
been tripped, interrupted
lead of mains cable)
check mains fuse
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 available /
however, total failure of
one mains phase not
connected
check mains fuse
check mains cable
cutting arc earth cable not connected
or without contact to
workpiece due to impurities
(paint ect.)
clamp earth cable to workpiece
or improve contact
fault indicator is lit see chapter ‘Control elements’
defective torch elements check / exchange torch elements
cutting arc available,
however, bad cut quality/
insufficient supply of
compressed air
Regulation of compressed air’
insufficient cutting
performance
wrong plasma nozzle fitted
on torch
see chapter 7.1 ’Torch
equipment’
wear of the plasma nozzle
or electrode
check / exchange plasma nozzle /
electrode
Cutting arc switch-off insufficient cutting speed see chapter 8.2 ‘Cutting’
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