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Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
TROUBLESHOOTING
Your CLARKE Welder has been designed to give long and trouble free service.
If however, having followed the instructions in this booklet carefully you still
encounter problems, the following points should help identify and resolve
them.
DEFECT
CAUSES
SUGGESTIONS
Spark will not start
Bad clamp connection.
Inverter printed circuit is
defective.
Check clamp connection.
Contact your nearest
CLARKE dealer.
No output voltage Overheated machine (the
amber LED should be on).
Wait for thermal cutout to
be reset.
Internal relay has failed.
Contact your nearest
CLARKE dealer.
Inverter printed circuit is
defective.
Contact your nearest
CLARKE dealer.
Wrong output
current
Current selector control is
defective.
Contact your nearest
CLARKE dealer.
Low power supply voltage.
Check the mains distribution
system.
Porosity of welds
Acid electrode on steel
with high sulphur content.
Electrode oscillates too
much.
Workpieces are too far
apart.
Workpiece being welded is
cold.
Use basic electrode.
Move edges to be welded
closer together. Move slowly
at the beginning.
Cracks in weld
Material being welded is
dirty (e.g.oil, paint, rust,
oxides).
Not enough current.
Clean workpiece before
welding is an essential
method of achieving neat
weld beads. Also increase
current output.
Limited
penetration
Low current, high welding
rate, reversed polarity.
Electrode inclined in
position opposite to it's
movement.
Ensure operating
parameters are regulated
and improve preparation of
work pieces.
Summary of Contents for 6015601
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