30
BOC Smootharc Multi 180/200 Operating manual
Troubleshooting and fault nding
Failure Analysis Troubleshooting
No wire when torch
triggerispressed.
No power. Investigate reasons for no power.
Torch trigger is broken. Change the torch.
Arc is unstable, and
largespatter.
Welding parameters are incorrect. Current and
volts do not match
Adjust welding parameters.
Contact tip, wire feed rolls, wire type and lining
may not be compatible.
Check and replace using the correct wear parts and wire.
Power, wire feed normal,
butno arc.
Work return lead securely connected? Check work return lead connection to the job.
Excessive oil or rust on workpiece. Remove grease or rust.
No shielding gas. Check gas hose connection and supply. Ensure gas hose connected, regulator set correctly, cylinder
valve is open, and cylinder has gas content.