voestalpine Bohler Welding URANOS NX 2700 TLH Mode D'emploi page 33

Voltage level exceeded (Upper limit)
E65
Gas flow level exceeded (Upper limit)
E67
Push-pull motor overcurrent
E72
Motor 2 current level exceeded
E75
Coolant temperature level exceeded
E77
Overcurrent (WU pump)
E81
Pump blocked
E83
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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.
Gas flow level exceeded (Lower limit)
E66
Coolant overtemperature
E71
Wire speed limit exceeded (speed meter)
E73
Liquid coolant flow level exceeded
E76
Active maintenance (Automation and
robotics)
E78
Communication error (WU)
E82
General alarm
E99
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.
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TROUBLESHOOTING
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