Selco SABER 70 CHP Betriebsanweisung Seite 44

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 sy-
stem 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 sy-
stem 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 sy-
stem repaired.
Cause Damaged torch liner.
Solution Replace the faulty component.
Contact the nearest service centre to have the sy-
stem repaired.
Cause Incorrect spindle clutch or misadjusted rolls locking
devices.
Solution Release the clutch.
Increase the rolls locking pressure.
No pilot arc striking
Cause Faulty torch trigger button.
Solution Replace the faulty component.
Contact the nearest service centre to have the sy-
stem repaired.
Cause Worn nozzle and/or electrode.
Solution Replace the faulty component.
Cause Air pressure too high.
Solution Adjust the air flow.
Read the paragraph "Installation ".
Cause Faulty electronics.
Solution Contact the nearest service centre to have the sy-
stem repaired.
44
No cutting arc striking
Cause Incorrect earth connection.
Solution Earth the system correctly
Read the paragraph "Installation ".
Cause System parameters or functions set incorrectly.
Solution Reset the system and the welding/cutting para-
meters.
Contact the nearest service centre to have the sy-
stem repaired.
Cutting arc extinction
Cause Mains voltage out of range.
Solution Connect the system correctly.
Read the paragraph "Connections ".
Cause Insufficient air flow rate.
Solution Adjust the air flow.
Cause Damaged pressure switch.
Solution Replace the faulty component.
Cause Air pressure too high.
Solution Adjust the air flow.
Read the paragraph "Installation".
Cause Incorrect welding/cutting mode.
Solution Decrease the welding/cutting travel speed.
Cause Worn nozzle and/or electrode.
Solution Replace the faulty component.
Arc instability
Cause Insufficient shielding gas.
Solution Adjust the gas flow.
Check that the diffuser and the gas nozzle of the
torch are in good condition.
Cause Humidity in the welding/cutting gas.
Solution Always use quality materials and products.
Ensure the gas supply system is always in perfect
condition.
Cause Incorrect welding/cutting parameters.
Solution Check the welding/cutting system carefully.
Contact the nearest service centre to have the sy-
stem repaired.
Excessive spatter
Cause Incorrect arc length.
Solution Decrease the distance between the electrode and
the piece.
Decrease the welding/cutting voltage.
Cause Incorrect welding/cutting parameters.
Solution Decrease the welding/cutting voltage.
Cause Incorrect arc regulation
Solution Increase the equivalent circuit inductive value setting.
Use a higher setting inductive connection.
Cause Insufficient shielding gas.
Solution Adjust the gas flow.
Check that the diffuser and the gas nozzle of the
torch are in good conditions.