Alfa IN PEGAS 40 PLASMA PFC, Operating Manual, Page: 9 / 18

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5. OPERATOR CONTROLS
5.1 FRONT AND REAR PANELS
Pos. Description
1 LED ON when the machine is switched on by the mains switch
2 LED. If the LED illuminates the thermo-switch is disconnected. In
such a case leave the machine on to cool down. Second warning
is when the mains voltage is over 270 V.
3 Cutting current potentiometer
4 LED Error
1. LED illuminates and the air valve regularly opens and
closes - there is a shortcut among the shield cup and the
cutting tip.
2. LED illuminates and the air valve regularly opens and
closes - the cutting tip and the electrode are not fitted
properly.
3. LED flashes – there is not shield cup or the shield cup is