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voestalpine WF 4000 Smart Betriebsanweisung Seite 55

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  • DEUTSCH, seite 63
The system fails to come on (green LED off)
Cause
No mains voltage at the socket.
Solution
Check and repair the electrical system as needed.
Use qualified personnel only.
Cause
Faulty plug or cable.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Line fuse blown.
Solution
Replace the faulty component.
Cause
Faulty on/off switch.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Faulty electronics.
Solution
Contact the nearest service centre to have the sys-
tem repaired.
No output power (the system does not weld)
Cause
Faulty torch trigger button.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
The system has overheated (temperature alarm -
yellow LED on).
Solution
Wait for the system to cool down without switching
it off.
Cause
Side cover open or faulty door switch.
Solution
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
torch repaired.
Cause
Incorrect earth connection.
Solution
Earth the system correctly.
Read the paragraph "Installation ".
Cause
Mains voltage out of range (yellow LED on).
Solution
Bring the mains voltage within the power source
admissible range.
Connect the system correctly.
Read the paragraph "Connections ".
Cause
Faulty electronics.
Solution
Contact the nearest service centre to have the sys-
tem repaired.
Incorrect output power
Cause
Incorrect selection in the welding process or faulty
selector switch.
Solution
Select the welding process correctly.
Cause
System parameters or functions set incorrectly.
Solution
Reset the system and the welding parameters.
Cause
Faulty potentiometer/encoder for the adjustment
of the welding current.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Mains voltage out of range
Solution
Connect the system correctly.
Read the paragraph "Connections ".
Cause
Input mains phase missing.
Solution
Connect the system correctly.
Read the paragraph "Connections ".
Cause
Faulty electronics.
Solution
Contact the nearest service centre to have the sys-
tem repaired.
Wire feeder fails
Cause
Faulty torch trigger button.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Incorrect or worn rollers
Solution
Replace the rollers.
Cause
Faulty wire feeder.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Damaged torch liner.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
No power supply to the wire feeder.
Solution
Check the connection to the power source.
Read the paragraph "Connections ".
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Tangled wire on the spool.
Solution
Untangle the wire or replace the wire spool.
Cause
Melted torch nozzle (wire stuck)
Solution
Replace the faulty component.
Irregular wire feeding
Cause
Faulty torch trigger button.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Incorrect or worn rolls.
Solution
Replace the rolls.
Cause
Faulty wire feeder.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Damaged torch liner.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Incorrect spindle clutch or misadjusted rolls locking
devices.
Solution
Release the clutch.
Increase the rolls locking pressure.
55

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