Migatronic Automig 140 Mono X, Инструкция по эксплуатации

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9
FAULTS
FAULT:
Too little welding effect
The welding seam forms a bead.
PROBABLE CAUSE:
1. One of the three fuses in the main switch is not
working (one phase is missing).
2. The welding voltage is too low.
Switch one setting higher.
The wire feed is blocking. 1. The inlet nozzle and the wire are not in alignment
with each other.
2. The reel of wire is too taut, the wire must come off
the reel evenly.
3. The inlet or contact tip is worn out or is blocked up.
4. The welding wire is not clean or it is rusty. It could
also be of an inferior quality.
5. The pressure roller has to be tightened.
Spatter 1. The wire feed is too fast for the voltage setting.
2 Worn out contact tip.
Porous weld.
A cone is formed when spot welding 1. Insufficient gas - not enough pressure or the bottle
is empty.
2. Contact tip is blocked up.
3. Leakage - air is pumped in and mixes with the
shielding gas.
The arc does not look normal, and there is a lot of
spatter 1. The material is dirty, underseal or paint.
The wire keeps sticking in the contact tip and is very
slow 1. The wire can be malformed.
The damaged wire should be cut off, pulled out
and replaced. The pressure on the wire feed roller
should be checked.
2. Worn out contact tip.
No welding voltage 1. Working voltage interrupted due to overloading of
the transformer. Automatic switch on after cooling
(15-30 min.).