voestalpine bohler welding URANOS NX 4000 PSR Manual De Instrucciones página 94

TROUBLESHOOTING
E72
E74
EN
E76
E78
E81
E83
9. TROUBLESHOOTING
The system fails to come on (green LED off)
Cause
» No mains voltage at the socket.
» Faulty plug or cable.
» Line fuse blown.
» Faulty on/off switch.
» Connection between wire feed carriage and
generator incorrect or faulty.
» 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.
E73
E75
E77
E80
E82
Solution
» Check and repair the electrical system as needed.
» Use qualified personnel only.
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Replace the faulty component.
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Check that the various parts of the system are properly connected.
» 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.
» Reset the system and the welding parameters.
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