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WH / WHPP
10 Troubleshooting
DANGER
Risk of injury and device damage when handled by unauthorised persons
Improper repair work and modifications to the product may lead to serious injuries and
damage to the device. The product warranty will be rendered invalid if work is carried out on
the product by unauthorised persons.
• Only qualified personnel are permitted to perform work on the device or system.
Please observe the attached document „Warranty". Please consult your dealer or the
manufacturer in case of doubt and problems.
NOTICE
• Consult the documentation for the welding components.
Problem
Wire burned solid in the
contact tip
Irregular wire feed
Arc between gas nozzle
and work-piece
Unsettled arc
Tab. 11
Troubleshooting
BAL.0014 • 2019-01-16
Cause
• Wrong parameters set
• Worn-out contact tip
• 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 tuned to the wire
diameter or contact tip diameter
enlarged
• Wrong welding parameters set
• Wire guide unit worn-out
10 Troubleshooting
Solution
• Check or correct setting
• Replace
• 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 contact tip
• Correct welding parameters
• Replace wire guide unit
EN - 25
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