103
EN
tu7 | xxx
Note: xxx stands for a temperature value
Cause: Undertemperature in the power source
Remedy: Place power source in a heated room and allow it to warm up
no | H2O
Cause: Coolant flow rate too low
Remedy: Check coolant flow rate and cooling unit, including cooling circuit (for mini-
mum coolant flow, see "Technical Data" section in the device operating in-
structions)
hot | H2O
Cause: The coolant temperature is too high
Remedy: 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 weld-
ing, set the "Source error reset" signal.
no | Prg
Cause: No preconfigured program has been selected
Remedy: Select a configured program
no | IGn
Cause: "Ignition time out" function is active; no current started flowing before the
length of wire specified in the set-up menu had been fed. The power source
safety cut-out has tripped.
Remedy: Shorten the wire end; press the torch trigger again; clean the surface of the
workpiece; if necessary, increase the wire length until the safety cut-out trips
in "Set-up menu: Level 2".
EPG | 17
Cause: The welding program selected is invalid
Remedy: Select valid welding program
EPG | 29
Cause: The required wire-feed unit is not available for the selected characteristic
Remedy: Connect correct wire-feed unit, check plug connections for the hosepack
EPG | 35
Cause: Measurement of the welding circuit resistance "r" failed
Remedy: Check grounding cable, current cable or hosepack and replace if necessary,
recalculate welding circuit resistance "r"
no | GAS
Cause: The Gas watchdog option has detected that there is no gas pressure
Remedy: Connect a new gas cylinder or open the gas cylinder valve/pressure regulator,
restart "Gas watchdog" option, reset "no | GAS" error message by pressing
any button.
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