Rectifying faults
Warnings
106
099-000118-EW501
24.11.2017
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 (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
Possible cause
Remedy
1
Machine excess temperature
Allow the machine to cool down
2
Half-wave failures
Check process parameters
3
Welding torch cooling warning
Check coolant level and refill if necessary
4
Gas warning
Check gas supply
5
See warning number 3
-
6
Welding consumable (wire electrode)
fault
Check wire feeding (with machines with filler
wire)
7
CAN bus failure
Inform service
32
Encoder malfunction, drive
Inform service
33
Drive is operating under overload
conditions
Adjust mechanical load
34
JOB unknown
Select alternative JOB
The warnings can be reset by pressing a push-button (see table):
Welding machine
control
Smart
Classic
Comfort
Smart 2
Comfort 2
Synergic
Push-button
