12
PROBLEM
POSSIBLE PROBLEM
SOLUTION
Maintenance and Troubleshooting - 3
Machine vibrates.
Machine is not located
on a stabile and straight
Place the machine on a stabile and
straight surface.
An abnormal noise and
smell comes from the
There is problem in
cooling fan.
Check the cooling fan.
If necessary, contact service.
There is free voltage
There is problem in the
Contact service.
There is no current
output in welding.
Welding cable is not
connected to the outlets
on the machine.
Connect welding cable to the outlets
on the machine.
Welding cable is
damaged.
Change the welding cable.
Work cable is not
connected or loosen.
Check the work cable, connect if not.
Arc does not start or
electrodes stick to
workpiece.
Connections are loose
or not good.
Check the connections.
Work piece is dirty, oily
or there is too much
dust on it.
Check the surface of work piece,
clean if necessary.
Arc is not stabile,
welding cannot be
performed smoothly.
Pole connections are
wrong or weak.
Change the poles as to be correct
and tighten the connections.
Voltage value is not
suitable.
Is mains voltage 380 Volt?
Do you use an extension cord whose
length and section is not suitable?
Check. Correct if necessary.
On/Off switch is faulty.
Change the switch. If necessary,
contact service.
Input filter and/or power
card are faulty.
Contact service.
Machine does not
operate, there is no
output, fan does not
operate (continue).
surface.
machine.
output.
machine.
