loose?
2.
Is the body
connector of
the welding
gun properly
inserted and
fastended?
The power
cable of
the
welding
gun and
the switch
control
cable
Broken (bending
fatigue)
Damaged by a
heavy object
O
O
O
O
O
The
surface
condition
of the
base
material
and the
extension
of the
welding
wire
There is oil, dirty,
rust, and or paint
membrane on it.
The welding wire is
over-extended
O
O
O
O
O
Output
cable
The cross-
sectional area of
the cable
connected to the
base material is
insufficient.
The joint of the (+)
and (-) output
cable is loose.
The electrical
conductivity of the
base material is
poor.
O
O
O
Extended
cable
The cross-
sectional area of
the cable is
insufficient
The cable is folded
or over-bended
O
O
O
O
Welding
operating
conditions
Check the welding
current and
voltage, the angle
of the welding gun,
the welding speed,
and the extension
length of the
welding wire once
again
O
O
O
O
O