WIA CP150-1, Руководство оператора

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Problem Likely Reason Outcome
MMA/STICK Models
In MMAW (Stick), the arc is
difficult to strike.
The technique required
for VRD enabled welding
machines is not the same as
earlier stick welding units.
The technique to strike
should be reviewed, not as
a ‘strike’ but more as ‘touch,
twist, lift’ motion.
If VRD is not a site requirement,
VRD can be disabled by
service agent .
GMAW/MIG Models
The machine feeds slowly
and then speeds up after
3-5 seconds.
Creep mode is selected, or
machine has a permanent
creep mode function.
Some models have a creep
mode function that cannot be
adjusted. Other models have
a push button selection for
creep mode on/off.
Nothing happens for
first x seconds after
trigger is pulled.
Pre gas is selected to
x seconds.
Pre gas selection should be
wound off below 0 seconds.
The arc starts normally but
then stops x seconds.
Spot time is selected to
x seconds.
Spot time selection should be
wound off below 0 seconds.
The arc does not stop
after trigger is released.
Latch mode is selected. Latch mode should be
switched off.
Motor continues to run
once arc is extinguished.
Latch mode is selected. Latch mode should be
switched off.
Weld is contaminated with
small bubbles (presence
of porosity).
Air in the gas hose. The
torch gas hose has not been
purged sufficiently.
The gas hose is not securely
connected at the machine
or at the regulator.
Air is being drawn into arc
through torch nozzle
Purge the system and confirm
sufficient gas flow through
the regulator.
Ensure the gas connections
from regulator through to
the torch connection are
sufficiently tightened.
Remove nozzle, check
O ring on torch head,
check condition of insulator
in nozzle