EN - 24
BAL.0737.0 • 2019-11-15
10 Troubleshooting
iROB Feed HA
Instable arc.
• Insufficient shielding gas.
• Regulate the gas flow so it is correct.
• Check the diffuser and the torch gas nozzle.
• Moisture in the welding gas.
• Always use products and materials of high
quality.
• Ensure that the gas supply line functions
properly.
• Incorrect welding parameters.
• Check the welding system thoroughly.
• Have the system repaired by the customer
service department.
Too much spatter.
• Incorrect arc lengths.
• Shorten distance between electrode and
workpiece.
• Reduce welding voltage.
• Incorrect welding parameters.
• Reduce welding voltage.
• Incorrect arc dynamics.
• Increase inductivity value of welding circuit.
• Insufficient shielding gas.
• Regulate the gas flow so it is correct.
• Check the diffuser and the torch gas nozzle.
• Incorrect welding.
• Reduce angle of torch.
Insufficient
penetration depth.
• Incorrect welding.
• Reduce speed of wire feed during welding.
• Incorrect welding parameters.
• Increase welding current.
• Incorrect electrode.
• Use electrode with smaller diameter.
• Incorrect seam preparation.
• Increase angle.
• Incorrect ground connection.
• Establish correct ground connection.
• Workpiece too large.
• Increase welding current.
Slag inclusions.
• Not all slag removed.
• Carefully clean workpieces before welding.
• Electrode diameter too large.
• Use electrode with smaller diameter.
• Incorrect seam preparation.
• Increase angle.
• Incorrect welding.
• Shorten distance between electrode and
workpiece.
• Weld correctly in all phases.
“Adhesions” of
electrode to
workpiece.
• Incorrect arc length.
• Increase distance between electrode and
workpiece.
• Increase welding voltage.
• Incorrect welding parameters.
• Increase welding current.
• Incorrect welding.
• Increase angle of torch.
• Workpiece too large.
• Increase welding current.
• Increase welding voltage.
• Incorrect arc dynamics.
• Increase inductivity of welding circuit.
Undercuts.
• Incorrect welding parameters.
• Reduce welding voltage.
• Use electrodes with smaller diameter.
• Incorrect arc length.
• Increase distance between electrode and
workpiece.
• Increase welding voltage.
• Incorrect welding.
• Reduce side pendulum speed when filling.
• Reduce speed of wire feed during welding.
• Insufficient shielding gas.
• Use gas suitable for the workpieces.
Fault
Cause
Troubleshooting
Tab. 12
Troubleshooting
