Abicor Binzel MT 452 W Mode D'emploi page 39

MT/AUT/AUT RAB
Problem
Torch becomes too hot
Torch becomes too hot
Wire burned solid in the
contact tip
Irregular wire feed
Arc between gas nozzle
and work-piece
Unsettled arc
Pore formation
Tab. 11 Troubleshooting
Cause
• Contact tip / Tip adapter loose
• Power connections loose on the
torch side and toward the work-
piece
• Coolant flow too low
• Wrong parameters set
• Worn-out contact tip
• Adjust wire burn-back function
• Guide spiral liner/PA liner
clogged
• Contact tip and wire diameter not
tuned to one another
• Wrong contact pressure set on
the wire feed unit
• Spatter bridge between contact
tip and gas nozzle
• Contact tip not matched to the
wire diameter or contact tip
diameter enlarged
• Wrong welding parameters set
• Wire guide unit worn-out
• Strong spattering in the gas
nozzle
• Insufficient or missing gas cover
• Air draughts blow shielding gas
away
10 Troubleshooting
Solution
• Check and tighten
• Check and tighten
• Check cooling system, increase
coolant flow
• Check or correct setting
• Replace
• Correct
• Clean both directions with
compressed or replace it, if
necessary
• Replace contact tip
• Correct as specified by
manufacturer
• Clean and spray gas nozzle
interior
• Check the contact tip and
replace it if necessary.
• Correct welding parameters
• Replace wire guide unit
• Clean gas nozzle
• Check gas cylinder contents and
pressure setting
• Shield welding area with
partitions
EN - 19