Warnings - EWM Tetrix 351 AW FW 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
  I nadequate 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 (hydrogen) in the gas tube

Purge hose package with gas or replace
7.2 Warnings
A warning is denoted by the letter A on the machine display, or Att in case of multiple machine
displays. The possible cause of the warning is signalled by the respective warning code (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.
Warning code
1
2
3
4
5
6
7
32
33
34
The warnings can be reset by pressing a push-button (see table):
Welding machine
control
Push-button
106
Possible cause
Machine excess temperature
Half-wave failures
Welding torch cooling warning
Gas warning
See warning number 3
Welding consumable (wire electrode)
fault
CAN bus failure
Encoder malfunction, drive
Drive is operating under overload
conditions
JOB unknown
Smart
Remedy
Allow the machine to cool down
Check process parameters
Check coolant level and refill if necessary
Check gas supply
-
Check wire feeding (with machines with filler
wire)
Inform service
Inform service
Adjust mechanical load
Select alternative JOB
Classic Comfort Smart 2 Synergic
Comfort 2
099-000118-EW501
24.11.2017