Selco Neomig 3500, Инструкция по эксплуатации

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29
5 TROUBLESHOOTING
The repair or replacement of any parts in the
system must be carried out only by qualified
personnel.
The repair or replacement of any parts in the system by
authorized personnel shall cause the product warranty to
become null and void.
The system must not be modified in any way.
The manufacturer declines any responsibility in case the user
not follow these instructions.
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.
By 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 main 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 (thermal alarm - yellow LED on).
Solution Wait for the system to cool down without switching
it off (yellow LED 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 ground connection.
Solution Ground 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 contactor.
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.
Incorrect output power
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 contactor.
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.
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 (stuck wire)
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.