Rectifying faults
Warnings
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099-000125-EW501
29.9.2022
Unstable arc
Material inclusions in the tungsten electrode due to contact with filler material or workpiece
Regrind or replace the tungsten electrode
Incompatible parameter settings
Check settings and correct if necessary
Pore formation
Inadequate or missing gas shielding
Check shielding gas setting and replace shielding gas cylinder if necessary
Shield welding site with protective screens (draughts affect the welding result)
Use gas lens for aluminium applications and high-alloy steels
Unsuitable or worn welding torch equipment
Check size of gas nozzle and replace if necessary
Condensation in the gas tube
Purge hose package with gas or replace
7.2 Warnings
Depending on the display options of the machine display, a warning message is displayed as follows:
Display type - machine control
Display
Graphic display
two 7-segment displays
one 7-segment display
The cause of the warning is indicated by a corresponding warning number (see table).
The display of possible warning numbers depends on the machine version (interfaces/functions).
• In case of multiple warnings, these
are displayed in sequence.
• Document machine warning and inform service personnel, if required.