PROMIG 200, PROMIG 300 / 0537 – 15© KEMPPI OY3. OPERATIONAL FUNCTIONS3.1. MAIN SWITCH S14Position IUnit is ready for welding and this is indicated by green pilot lamp H13.Position OMIG/MAG welding: operations are arrested, power source and wire feed motordon’t start and solenoid valve for gas is not opened though start switch of gunis pressed down. Wire drive switch S11 for filler wire needed by reel change isoperating. MMA welding: Operations are arrested, welding circuit is dead.3.2. WELDING METHOD SELECTING SWITCH S15MMAMMA welding with stepless welding current controlMIG two-sequence procedure (normal function)MIG/MAG welding with two-sequence procedure of welding gun start switch1. switch pressed: welding starts2. switch released: welding stopsMIG four-sequence procedure (hold switch)MIG/MAG welding with four-sequence procedure of welding gun start switch1. switch pressed: shielding gas flow starts2. switch released: welding starts3. switch pressed: welding stops4. switch released: shielding gas flow stopsLocal control:Control potentiometers R11 and R12 on panel are used.Remote control:Adjustments are carried out from remote control unit which is connected to remotecontrol connector X11 of wire feed unit. See operations of remote control unitsR20 and R10 on page 18.NOTE! If the remote control unit is not connected to the Promig unit and you haveselected remote control, controls operate with local control potentiometers like inlocal control position.3.3. CONTROL MODE SELECTING SWITCH S16