Selco WF 115 XP Instrucciones De Uso página 26

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 unau-
thorised 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.
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 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 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.
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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.
Excessive spatter
Cause Incorrect welding parameters.
Solution Decrease the welding voltage.
Cause Incorrect arc regulation
Solution Use a higher setting inductive connection.
Cause Incorrect welding mode.
Solution Decrease the torch angle.
Insufficient penetration
Cause Incorrect welding mode.
Solution Decrease the welding travel speed.
Cause Incorrect welding parameters.
Solution Increase the welding current.
Cause Incorrect edge preparation.
Solution Increase the chamfering.
Cause Incorrect earth connection.
Solution Earth the system correctly
Read the paragraph "Installation ".
Cause Pieces to be welded too big.
Solution Increase the welding current.