20
GB/CY
Faults
Cause of fault
Troubleshooting
Indicator lamp
does not lit 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.
Power line ventilator 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 low.
Observe input voltage
according to type plate.
Arc stops during
cutting?
Cutting speed too low.
Plasma burner
8
is held too
high and too far away from
the material.
Plasma burner component
parts are worn
8b
,
8c
,
8d
,
8e
.
Workpiece no longer
connected to the grounding
cable.
Increase the cutting speed until
the problem no longer exists.
Lower the plasma burner
8
to the recommended height.
Check and replace worn
parts.
Check the connections.
Insuffi cient
Penetration?
Cutting speed too fast.
Burner sleeve
8c
is not straight
Metal is too thick.
Plasma burner component
parts are worn
8b
,
8c
,
8d
,
8e
.
Slow down the working speed
Adjust the inclination.
Several cycles necessary.
Check and replace worn
parts.
Air current cannot
be regulated?
Compressed air hose
damaged or faulty.
Valve/manometer fails.
New connection of the hose.
HF-arc is not
created?
The burner switch is faulty.
Soldering point on the burner
switch or plug loosened.
Valve/manometer fails.
Renew electrode.
Bad ignition?
Burner wear parts damaged
or worn.
Change wear parts.
Troubleshooting
Содержание 360432 2010
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