Rectifying Faults; Checklist For Rectifying Faults - EWM Tetrix 352 AC/DC Synergic Operating Instructions Manual

7

Rectifying faults

All products are subject to rigorous production checks and final checks. If, despite this, something fails to
work at any time, please check the product using the following flowchart. If none of the fault rectification
procedures described leads to the correct functioning of the product, please inform your authorised dea-
ler.
7.1

Checklist for rectifying faults

The correct machine equipment for the material and process gas in use is a fundamental
requirement for perfect operation!
Legend
Mains fuse triggers
 Mains fuse triggers - unsuitable mains fuse
Set up recommended mains fuse > see 8 chapter.

Functional errors
 Several parameters cannot be set (machines with access block)
Entry level is blocked, disable access lock > see 5.8 chapter

 All machine control signal lights are illuminated after switching on
 No machine control signal light is illuminated after switching on
 No welding power
Phase failure > check mains connection (fuses)

 Connection problems
Make control lead connections and check that they are fitted correctly.

 Loose welding current connections
Tighten power connections on the torch and/or on the workpiece

Tighten contact tip correctly

No arc ignition
 Incorrect ignition type setting.
Ignition type: Select "HF start". Depending on the machine, the setting is defined by the change-

over switch for ignition types or the
trol operating instructions", if applicable).
Bad arc ignition
 Material inclusions in the tungsten electrode due to contact with filler material or workpiece
Regrind or replace the tungsten electrode

 Bad current transfer on ignition
Check the setting on the "Tungsten electrode diameter/Ignition optimisation" rotary dial and in-

crease if necessary (higher ignition energy).
Welding torch overheated
 Loose welding current connections
Tighten power connections on the torch and/or on the workpiece

Tighten contact tip correctly

 Overload
Check and correct welding current setting

Use a more powerful welding torch

099-000140-EW501
30.01.2024
Symbol Description
Fault/Cause

Remedy

parameter in one of the machine menus (see the "Con-
Rectifying faults
Checklist for rectifying faults
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