FLARING FM 155E - Page 18

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Initial problems diagnose
Abnormal Items
Area and Item to be Inspected
and Maintained
No arc Starting No Gas out No Wire Feeding Bad Arc Ignition Unstable Arc Dirt on Edge of Weld bead Wire Stick to material
Wire
Stick
to
Conductive
Tip
Blowhole Formed
Distribution Boxes
(Input Protection
Devices)
 Turn on power supply or not?
 Fuse burnt out
 Connection joint loose
〇 〇 〇 〇 〇 〇
Input Cable
 Examine whether the cable
is cut off.
 Connection joint loose
 Over heat
〇 〇 〇 〇
Welding Power
Operation
 Turn on power supply or not?
 Phase Lacking
〇 〇 〇 〇 〇 〇 〇 〇
Gas Cylinder and
Gas Regulator
 Turn on gas supply
 Residual Amount of Gas in
the cylinder
 Set value for flow
 Connection joint loose
〇 〇
Gas supply hose
(the whole line
from the high
pressure cylinder
to the weld gun)

Connection joint loose

Gas hose damaged
〇
Wire Feeding
Device
 Wire feeding wheel does not
match with the diameter of
wire in texturing tube
 Crackle on wire feeding
wheel, groove blocked up or
defect
 Too tight or loose of the
handle
 Wire powder accumulated on
the inlet of SUS pipe
〇 〇 〇 〇 〇