Migatronic Push Pull FKS 400, Руководство пользователя

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Faults and how to remedy them
Fault Cause Remedy
Welding torch becomes too hot
•
Contact tip / gas sparger has not been tightened
firmly
•
Power connections on welding torch and work piece
are loose
•
Coolant flow is too low
•
Inspect and tighten, if require
•
Inspect and tighten, if required
•
Inspect cooling system
Wire on contact tip solidified
•
Parameter settings are incorrect
•
Contact tip is worn
•
Burn back parameters set too short
•
Inspect parameters and correct, if required
•
Replace contact tip
•
Inspect parameters and correct, if required
Irregular wire feed
•
Wire liner defective or blocked
•
Wire Ø and contact tip do not fit
•
Contact pressure on feed unit set incorrectly
•
Pressure too high for the pressure wheel
•
Wire drive rolls with incorrect groove
(U-groove/V-groove)
•
Blow air through on both sides and replace, if required
•
Replace contact tip or wire
•
Adjust according to manufacturer specifications
•
Inspect wheel and replace, if required
•
Verify the groove in the wire drive rolls according to
selected wire (V-groove for Fe [hard] or U-groove for
alu [soft])
Arc between gas nozzle and
workpiece
•
Contact tip and gas nozzle have a tip bridge to one
another
•
Clean the inside of the gas nozzle and spray spatter
protection or replace gas nozzle
Turbulent arc
•
Contact tip does not fit wire Ø or contact tip is worn
•
Welding parameters set incorrectly
•
Worn wire guide
•
Inspect contact tip and replace, if required
•
Inspect parameters and correct, if required
•
Replace wire guide
Pore formation
•
Gas nozzle blocked due to welding spatter that is
to intense, gas coverage is too little or existent as a
result
•
Clean the inside of the gas nozzle and spray spatter
protection or replace gas nozzle
•
Check gas cylinder, pressure settings
•
Shield welded joint with protective walls before the
atmospheric air