18
GB/IE/NI
Faults
Cause of fault
Troubleshooting
Indicator lamp
does not light up?
No electrical connection.
ON/OFF switch set to off.
Check whether the device is
connected to the socket.
Set switch to ON.
Ventilator does
not work?
Power line interrupted.
Ventilator power line faulty.
Ventilator faulty.
Check whether the device is
connected to the socket.
Warning lamp
switches on?
Overheating protection
switched on.
Input voltage too high.
Allow device to cool down.
Input voltage according to
type plate.
No output
current?
Machine faulty.
Overvoltage protection
activated.
Machine must be repaired.
Allow device to cool down.
Output current
does not
decrease?
Input voltage too low.
Connection cable cross-section
too small.
Observe input voltage
according to type plate.
Air flow cannot
be regulated?
Compressed air hose
damaged or faulty.
Valve/manometer fails.
New connection of the line.
HF-arc is not
created?
The burner switch is faulty.
Soldering point on the burner
switch or plug loosened.
Valve/manometer fails.
Replace electrode.
Bad
ignition?
Burner wear parts damaged
or worn.
Change wear parts.
Plasma burner
8
is not ready for
operation?
Current switch is switched off.
Air transmission is restricted.
Workpiece is not connected to
the earthing clamp.
Switch the current switch to
“on”.
Another indication of this is
a green flame. Check the air
supply.
Check the connections.
Sparks fly
upwards, instead
of down through
the material?
Burner sleeve
8c
does not
penetrate the material.
Burner sleeve
8c
is too far
away from the material.
Material was probably not
earthed properly.
Lifting speed is too quick.
Increase the current.
Reduce the gap between the
burner sleeve
8c
and material.
Check the connection for
correct earthing.
Reduce the speed.
Initial cut but not
completely drilled
through?
Potential connection problem.
Check all connections.
373212_2104_Plasmaschneider_PPS_30_B2_content_LB6_GB.indb 18
373212_2104_Plasmaschneider_PPS_30_B2_content_LB6_GB.indb 18
15.09.2021 10:33:39
15.09.2021 10:33:39