Scheppach PLC40 Translation Of The Original Instruction Manual

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15. Troubleshooting
The table below contains a list of error symptoms and explains what you can do to solve the problem if your tool fails to
work properly. If the problem persists after working through the list, please contact your nearest service workshop.
Problem Possible Cause 
Indicator lamp does not lit up?
No electrical connection. Check whether the device is
󰀨 connected to the socket.
Ventilator does not work?
Power line interrupted.
Check whether the device is connected to the
socket.
Power line ventilator faulty.
Ventilator faulty.
Warning lamp switches on?
Overheating protection switched on. Allow device to cool down.
Input voltage too high. Input voltage according to type plate.
No output current?
Machine faulty. Machine must be repaired.
Overvoltage protection activated. Allow device to cool down.
Output current does not de-
crease?
Input voltage too low.
Observe input voltage according to type plate.
Connection cable cross-section too
low.
Air current cannot be regulat-
ed?
Compressed air hose damaged or
faulty.
New connection of the hose.
Valve/manometer fails.
HF-arc is not created?
The burner switch is faulty.
Renew electrode.
Soldering point on the burner switch
or plug loosened.
Valve/manometer fails.
Bad ignition?
Burner wear parts damaged
or worn.
Change wear parts.
Check HF spark gap. Set spark gap.
Plasma burner 8 is not ready
for operation?
󰀨 Switch the current switch to “on”.
Air transmission is restricted.

the air supply.
Workpiece is not connected to the
ground terminal.
Check the connections.

down through the material?
Burner sleeve does not penetrate the
material.
Increase the current.
Burner sleeve is too far away from
the material.
Reduce the distance between the burner sleeve
and material.
Apparently material was not ground-
ed properly.
Check the connection for correct grounding.
Lifting speed is too quick. Reduce the speed.
Initial cut but not completely
drilled through?
Potential connection problem. Check all connections.

Scheppach PLC40 Specifications

General

Control type	Rotary
Easy to read	Yes
Product color	Black
Built-in display	No
Cutting thickness (max)	12 mm
Input current	40 A

Weight and Dimensions

Depth	430 mm
Width	280 mm
Height	310 mm
Weight	8650 g