Rectifying faults
Checklist for rectifying faults
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099-005613-EW501
23.04.2019
Collective interference signal light illuminates
Excess temperature, welding machine
Allow the machine to cool down whilst still switched on
Welding current monitoring device triggered (stray welding currents flowing across the protective e-
arth). The error must be reset by switching the machine off and on again.
Welding wire is touching electrically conductive casing parts (check wire guide, has the welding
wire sprung off the wire spool?).
Check for a correct mounting of the welding lead. Fit the feeder clamp of the welding lead as
close as possible to the arc.
Excess temperature signal light illuminates
Excess temperature, welding machine
Allow the machine to cool down whilst still switched on
Coolant error/no coolant flowing
Insufficient coolant flow
Check coolant level and refill if necessary
Air in the coolant circuit
Vent coolant circuit
> see 7.3 chapter
Wire feed problems
Wire feed roll holder is worn (wire feed rolls must be firmly seated on their holders and must not have
any play)
Replace wire feed roll holder (092-002960-E0000)
> see 10.1.4 chapter
)
Clean, spray with anti-spatter spray and replace if necessary
Contact tip blocked
Clean, spray with anti-spatter spray and replace if necessary
Setting the spool brake
> see 5.3.3.4 chapter
Check settings and correct if necessary
Setting pressure units
> see 5.3.3.3 chapter
Check settings and correct if necessary
Worn wire rolls
Check and replace if necessary
Wire feed motor without supply voltage (automatic cutout triggered by overloading)
Reset triggered fuse (rear of the power source) by pressing the key button
Kinked hose packages
Extend and lay out the torch hose package
Wire guide core or spiral is dirty or worn
Clean core or spiral; replace kinked or worn cores
