Selco WF 430 ArcDrive Classic Manuel D'instructions page 43

For the maintenance or replacement of torch components,
electrode holders and/or earth cables:
Check the temperature of the component and
make sure that they are not overheated.
Always use gloves in compliance with the safety
standards.
Use suitable wrenches and tools.
Failure to carry out the above maintenance will invalidate all
warranties and exempt the manufacturer from any liability.
6 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
unauthorised personnel will invalidate the product warranty.
The system must not be modified in any way.
The manufacturer disclaims any responsibility if the user
fails to 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.
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 Connection between wire feed carriage and gen-
erator incorrect or faulty.
Solution Check that the various parts of the system are prop-
erly connected.
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 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.
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