voestalpine bohler welding TERRA NX 320 TLH Manual De Instrucciones página 59

E99.5
E99.7
8. 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).
» Incorrect earth connection.
» Mains voltage out of range (yellow LED on).
» Faulty contactor.
» 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.
Arc instability
Cause
» Insufficient shielding gas.
E99.6
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.
» 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 ".
» 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
» Select the welding process correctly.
» 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
» Adjust the air flow.
» Check that the diffuser and the gas nozzle of the torch are in good
condition.
55
TROUBLESHOOTING
EN