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• Remember to shut off the machine and close the gas
cylinder valve when you have finished welding.
4 ERRORS AND SOLUTIONS
PROBABLE CAUSE SOLUTION
ERROR
The welding
Switch set to 0
machine does
Mains fuses burnt.
not deliver cur-
Plug not correctly
rent. Completely
inserted in the
inoperative.
power socket.
Incorrect supply in-
la saldatrice non
serted in the power
eroga corrente
socket.
ma il ventilatore
funziona.
Thermostat open:
yellow lamp lit.
5 MAINTENANCE
Any maintenance operation must be carried out by
qualified personnel in compliance with standard CEI
26-29 (IEC 60974-4).
5.1 GENERATOR MAINTENANCE
In the case of maintenance inside the machine, make sure
that the switch F is in position "O" and that the power
cord is disconnected from the mains.
It is also necessary to periodically clean the interior of the
machine from the accumulated metal dust, using com-
pressed air.
5.2 PRECAUTIONS AFTER REPAIRS.
After making repairs, take care to organize the wiring so
that there is secure insulation between the primary and
secondary sides of the machine. Do not allow the wires
to come into contact with moving parts or those that heat
up during operation. Reassemble all clamps as they were
on the original machine, to prevent a connection from
occurring between the primary and secondary circuits
should a wire accidentally break or be disconnected.
Also mount the screws with geared washers as on the
original machine.
Set it to 1.
Replace them.
Insert the plug.
See 2.3.
Wait approxi-
mately 5/6 min.
See 2.3
9
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