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No welding current
Device switched on, indicator for the selected welding process is lit, error indicator lit
Cause:
Duty cycle exceeded - device overloaded - fan running
Remedy:
Keep within duty cycle
Cause:
Thermostatic automatic circuit breaker has switched off the device
Remedy:
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)
Cause:
The fan in the power source is faulty
Remedy:
Contact After-Sales Service
Cause:
Insufficient cooling air intake
Remedy:
Ensure adequate air supply
Cause:
Air filter is dirty
Remedy:
clean air filter
Cause:
Power module error
Remedy:
Turn off the device, then turn it on again
If the error occurs frequently, contact After-Sales Service
Poor ignition properties during MMA welding
Cause:
Incorrect welding process selected
Remedy:
Select the appropriate welding process
In some cases, arc breaks during welding
Cause:
TIG Comfort Stop parameter value set too low for selected TIG welding pro-
cess
Remedy:
Adjust the TIG Comfort Stop parameter to a higher value in the Setup menu
Cause:
Electrode (e.g. grooved electrode) voltage too high
Remedy:
If possible, use an alternative electrode or a power source with more welding
power
Cause:
Incorrect welding process selected
Remedy:
Select "TIG welding" or "TIG pulsed arc welding" process
Rod electrode tends to stick
Cause:
Value of arc-force dynamic parameter (MMA welding) set too low
Remedy:
Increase value of arc-force dynamic parameter
Mains fuse or automatic circuit breaker trips
Cause:
Mains fuse underrated/incorrect circuit breaker
Remedy:
Fuse mains correctly (see Technical data)
Cause:
Mains fuse trips in open circuit
Remedy:
Contact After-Sales Service
