48
Maintenance and Troubleshooting - 3
PROBLEM
POSSIBLE REASON
SOLUTION
Arc not stable,
welding cannot be done
properly
Improper voltage value.
Not seated on a sound and
flat surface.
Problem in the cooling fan.
Machine defective
Not connected to the
machine outputs.
Connections loose or not
good.
Welding cable damaged.
Work piece dirty, oily or
excessively dusty.
Work cable not connected
or loose.
Machine vibrates.
Strange sounds and smell
from the machine
No voltage output at no load
No welding current output.
Welding arc starts with
difficulty or the electrode
sticks to the work piece.
Change the poles correctly and tighten
the connections.
Is the mains voltage 220 V?
Extension cable of improper length
and size used.
Check and correct as necessary.
Place the machine on a strong and flat
surface.
Check the cooling fan.
Contact to the service if necessary.
Contact to the service.
Connect properly.
Check the connections.
Replace the welding cable.
Check the work piece surface clean as
necessary.
Check the work cable, re-connect
if not connected.
Pole connections wrong
or weak.
Machine defective.
Cylinder closed or empty.
Valve clogged.
Valve defective.
No gas Flow:
(TIG welding)
HF mode cannot be closed.
(TIG welding)
Contact to the service.
Open or replace the cylinder.
Vanayı temizle.
Clean the valve.
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