voestalpine bohler welding URANOS NX 4000 PSR Manual De Instrucciones página 95

» Faulty potentiometer/encoder for the adjustment
of the welding current.
» Mains voltage out of range.
» Input mains phase missing.
» Faulty electronics.
Wire feeder fails
Cause
»
» Incorrect or worn rollers.
» Faulty wire feeder.
» Damaged torch liner.
» No power supply to the wire feeder.
» Tangled wire on the spool.
» Melted torch nozzle (wire stuck)
Irregular wire feeding
Cause
»
» Incorrect or worn rollers.
» Faulty wire feeder.
» Damaged torch liner.
» Incorrect spindle clutch or misadjusted rolls
locking devices.
Arc instability
Cause
» Insufficient shielding gas.
» Humidity in the welding gas.
» Incorrect welding parameters.
Excessive spatter
Cause
» Incorrect arc length.
» Incorrect welding parameters.
» Insufficient shielding gas.
» Incorrect arc regulation.
» Incorrect welding mode.
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Connect the system correctly.
» Read the paragraph "Connections ".
» Connect the system correctly.
» Read the paragraph "Connections ".
» Contact the nearest service centre to have the system repaired.
Solution
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Replace the rollers.
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Check the connection to the power source.
» Read the paragraph "Connections ".
» Contact the nearest service centre to have the system repaired.
» Untangle the wire or replace the wire spool.
» Replace the faulty component.
Solution
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Replace the rollers.
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Release the clutch.
» Increase the rolls locking pressure.
Solution
» Adjust the air flow.
» Check that the diffuser and the gas nozzle of the torch are in good
condition.
» Always use quality materials and products.
» Ensure the gas supply system is always in perfect condition.
» Check the welding system carefully.
» Contact the nearest service centre to have the system repaired.
Solution
» Decrease the distance between the electrode and the piece.
» Decrease the welding voltage.
» Decrease the welding current.
» Adjust the air flow.
» Check that the diffuser and the gas nozzle of the torch are in good
condition.
»
» Decrease the torch angle.
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TROUBLESHOOTING
EN