DISTURBANCE POSSIBLE CAUSE REMEDY
The power source can´t reach
maximum output
Net fuse has blown
A faulty supply cable
A faulty main switch
A faulty primary rectifier
A faulty control card A001
A faulty control card A001
Check the net fuses
Check the supply cable
Check the main switch
Check the primary rectifier.
Measure the DC-link voltage during
idling and under load (530…570
Vdc)
On the power source´s control card
A001, check that the IGBT-
module´s gate pulses are correct.
Replace the control card if
necessary.
On the power source´s control card
A001, check that the set value is
developed correctly (H-line; 0-10
Vdc). Replace if necessary.
Wire feed unit error codes
E02 Gun switch is being pressed, while MMA welding has been selected by the FEED
panel
E08 Liquid cooled PMT-gun has overheated
E09 Wf-motor has been overloaded
E11 PMT-gun has been tried to use, though PMT-/RMT-functions have been disabled
by jumper 5
E12 Shielding gas watch has interrupted welding (GG 400)
12
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