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No welding current
The power source is switched on, display for selected process illuminates
Cause: Welding power-lead connections interrupted
Remedy: Correctly establish welding power-lead connections
Cause: Poor grounding or no grounding at all
Remedy: Establish a connection with the workpiece
Cause: Power cable in the welding torch or electrode holder interrupted
Remedy: Replace welding torch or electrode holder
No welding current
Switch on device, display illuminates for selected process, overtemperature display illumi-
nates
Cause: Duty cycle exceeded - device overloaded - fan running
Remedy: Observe duty cycle
Cause: Thermal automatic circuit breaker has shut down the device
Remedy: Wait for device to cool down (do not switch off the device - the fan will cool the
device); the power source will switch on again automatically after a short time
Cause: Fan in the power source is faulty
Remedy: Inform service team
Cause: Cooling air supply is insufficient
Remedy: Ensure there is a sufficient air supply
Cause: Air filter is dirty
Remedy: Clean air filter
Cause: Power module error
Remedy: Switch the device off and then on again
If this error persists, inform service team
Inadequate func-
tion
Poor ignition properties during manual metal arc welding
Cause: The wrong process has been selected
Remedy: Select "manual metal arc welding" or "manual metal arc welding with Cel elec-
trodes" process
Cause: Starting current too low; electrode remains stuck during ignition process
Remedy: Raise starting current with HotStart function
Cause: Starting current too high; electrode burns too quickly during ignition process
or spatters strongly
Remedy: Reduce starting current with SoftStart function
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