voestalpine bohler welding URANOS NX 2700 MTE Manual De Instrucciones página 99

E74
E77
E80
E99.2
E99.4
E99.6
E99.8
E99.10
E99.12
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.
» Faulty electronics.
No output power the system does not weld
Cause
»
» The system has overheated (temperature alarm -
yellow LED on).
» Side cover open or faulty door switch.
» Incorrect earth connection.
E76
E78
E82
E99.3
E99.5
E99.7
E99.9
E99.11
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.
» 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 ".
95
TROUBLESHOOTING
EN