No welding current
Device switched on, indicator for the selected welding process is lit, error indicator lit
Duty cycle exceeded - device overloaded - fan running
Keep within duty cycle
Thermostatic automatic circuit breaker has switched off the device
Wait until the power source comes back on automatically at the end of the
cooling phase (do not switch off the device - the fan will cool it down)
The fan in the power source is faulty
Contact After-Sales Service
Insufficient cooling air intake
Ensure adequate air supply
Air filter is dirty
clean air filter
Power module error
Turn off the device, then turn it on again
If the error occurs frequently, contact After-Sales Service
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Poor ignition properties during MMA welding
Incorrect welding process selected
Select the appropriate welding process
Cause:
Remedy:
In some cases, arc breaks during welding
TIG Comfort Stop parameter value set too low for selected TIG welding pro-
cess
Adjust the TIG Comfort Stop parameter to a higher value in the Setup menu
Electrode (e.g. grooved electrode) voltage too high
If possible, use an alternative electrode or a power source with more weld-
ing power
Incorrect welding process selected
Select "TIG welding" or "TIG pulsed arc welding" process
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Rod electrode tends to stick
Value of arc-force dynamic parameter (MMA welding) set too low
Increase value of arc-force dynamic parameter
Cause:
Remedy:
Mains fuse or automatic circuit breaker trips
Mains fuse underrated/incorrect circuit breaker
Fuse mains correctly (see Technical data)
Mains fuse trips in open circuit
Contact After-Sales Service
Cause:
Remedy:
Cause:
Remedy:
35
EN
