voestalpine Böhler Welding URANOS NX 4000 PME Bedienungsanleitung Seite 95

» Faulty electronics.
Cause
»
» The system has overheated (temperature alarm -
yellow LED on).
» Side cover open or faulty door switch.
» Incorrect earth connection.
» Mains voltage out of range (yellow LED on).
» Faulty electronics.
Incorrect output power
Cause
» Incorrect selection in the welding process or faulty
selector switch.
» System parameters or functions set incorrectly.
» 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.
» 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.
» Wait for the system to cool down without switching it off.
» In order to ensure safe operation the side cover must be closed while
welding.
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Earth the system correctly.
» Read the paragraph "Installation ".
» Bring the mains voltage within the power source admissible range.
» Connect the system correctly.
» Read the paragraph "Connections ".
» Contact the nearest service centre to have the system repaired.
Solution
» Select the welding process correctly.
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Reset the system and the welding parameters.
» 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.
91
TROUBLESHOOTING
EN