Warnings - EWM Tetrix 352 AC/DC Synergic Operating Instructions Manual

Rectifying faults

Warnings

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
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.
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Display
099-000140-EW501
30.01.2024