tu7 | xxx
Note: xxx stands for a temperature value
Undertemperature in the power source
Place power source in a heated room and allow it to warm up
Cause:
Remedy:
no | H2O
Coolant flow rate too low
Check coolant flow rate and cooling unit, including cooling circuit (for min-
imum coolant flow, see "Technical Data" section in the device operating
instructions)
Cause:
Remedy:
hot | H2O
The coolant temperature is too high
Allow cooling unit and cooling circuit to cool down, until "hot | H2O" is no
longer displayed. Open the cooling unit and clean the cooler, check fan is
working properly. Robot interface or field bus coupler: before resuming
welding, set the "Source error reset" signal.
Cause:
Remedy:
no | Prg
No preconfigured program has been selected
Select a configured program
Cause:
Remedy:
no | IGn
"Ignition time-out" function is active; current did not start flowing before the
length of wire specified in the set-up menu had been fed. The power source
safety cut-out has tripped
Shorten the free wire end, press the torch trigger again; clean the workpiece
surface; if necessary, set the "Ito" parameter in the Setup menu
Cause:
Remedy:
EPG | 17
The welding program selected is invalid
Select valid welding program
Cause:
Remedy:
EPG | 29
The required wire-feed unit is not available for the selected characteristic
Connect correct wire-feed unit, check plug connections for the hosepack
Cause:
Remedy:
EPG | 35
Measurement of the welding circuit resistance failed
Check grounding cable, current cable or hosepack and replace if necessary;
remeasure welding circuit resistance
Cause:
Remedy:
no | GAS
The Gas watchdog option has detected that there is no gas pressure
Connect a new gas cylinder or open the gas cylinder valve/pressure regu-
lator, restart "Gas watchdog" option, reset "no | GAS" error message by
pressing any button.
Cause:
Remedy:
103
EN
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