Fronius FPA 3020 Orbital - Page 31

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(8) Arc on/off button
If the LED in the key (8) lights up, the arc will come on for welding. The arc can
also be switched off for setting up purposes. In addition, dialog window 1 in the
“Troubleshooting” section shows the relevant entry.
(9) Forming gas key
Opens the forming gas valve for testing purposes. Press the button (9) again to
close the forming gas button.
IMPORTANT! If you do not press key (9) again before the delay expires, the
forming gas valve closes again automatically. The delay time corresponds to the
“forming gas pre-ow time” parameter in the menu with direct selection “shielding
gas and cooling”.
(10) Wire-feed unit on/off button
For switching the wire-feed unit on or off during welding
(11) Start/Stop button
For starting and ending the welding process
For closed welding guns with no wirefeed, welding starts immediately the
Start/Stop button is pressed.
On open welding guns with wirefeeding, the following process applies:
► If the “ROLL-UP” parameter in dialog window 221 “Parameters for start point”
(see “Parameter settings”) is set to “ACTIVE”, the hosepack is rolled up when
the key (11) is rst pressed. Once the start point is reached, welding starts
when the key (11) is pressed again.
► If the “ROLL-UP” parameter in dialog window 221 “Parameters for start point”
(see “Parameter settings”) is set to “AUTOSTART”, the welding process can
be activated by simply pressing the key (11) once. Welding starts once the
hosepack has rolled up automatically and the start point has been reached.
► If the „ROLL-UP“ parameter in dialog window 221 „Parameters for start point“
(see „Parameter settings“) is set to „INACTIVE“, the welding process can be
activated by simply pressing the key (11) once. The dened start position is
not moved to and the hosepack is not rolled up. Welding starts from the
position last reached.
NOTE! On open orbital welding guns, the hosepack may be damaged if it is not
rolled up before welding starts.
If welding is nished with key (11), there is a driving downslope according to the
“driving downslope” parameter in dialog window 221 “parameters for start point”
(see “Parameter settings”).
When not in welding mode, pressing key (11) and the “left” key (13) moves the
orbital welding gun back to the starting position
Remote control
unit
(continued)