joke 4065735316068, Operating Instructions Manual

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Faults
Fault Cause Remedy
The display is not lit. • The control unit is not switched on. • Switch the control unit on.
• The power supply is not switched on. • Switch the power supply on.
• The mains cable is not connected. • Connect the mains cable to the
control unit and plug it in to the
mains supply.
• The fuse in the control unit is faulty. • Replace the fuse.
• Control unit, cables, connections,
contacts, mains switch or sockets are
faulty.
• Send unit and accessories to
JOKE service for inspection or
repair.
Handpiece doesn’t
start. • Contacts are faulty. • Check the handpiece
connections.
• Check the connections between
the motor and the accessories.
• Motor, circuit, cable, connections,
contacts or sockets are faulty.
• Send unit and accessories to
JOKE service for inspection or
repair.
The handpiece stops. • Automatic switch-off on idling • Switch the handpiece back on
Coating does not
adhere. • Workpiece is dirty or the coating
thickness is set too low.
• Clean workpiece.
• Increase energy for coating
thickness.
Electrode glowing. • Coating thickness is set too high. The
electrode cross-section is too small.
• Reduce coating thickness
No material application • Contact error • Check connecting cable and plug
connections.
• Check attachment of contact
magnet.
Electrode sticks during
coating. • Vibration of the electrode is set too
low.
• Increase vibration.
Strong sparking during
coating • Workpiece or electrode is dirty. • Clean workpiece surface and
electrode.