MIG-160ER
13
1 No function Micro fuse defective Replace micro fuse: 2.5 A (3.15
A)
Wrong power connection Have the connection checked
by a specialist
2 Irregular wire feed Wrong contact pressure on the
feed roller
Set the correct pressure (it must
be possible to block the wire roll
by hand)
Wire guide on the feed motor
not in a line
Bring the feed roller and wire
guide into line
Guide spiral blocked or not
suitable for wire size
Check, possibly change
Badly coiled wire or wire
crossings
Replace the wire roll
Rusted wire or poor quality Replace the wire roll, clean or
replace the guide spiral
Too much tightened mandrel
brake
Release mandrel brake, screw
on
The feed roller is dirty Clean the feed roller
Feed roller worn or not suitable
for wire size
Replace the feed roller
3 Brittle or porous weld
seam
Gas hose connections leaky Check connections
Empty gas bottle Fill up the gas bottle
Gas tap closed Open the gas tap
Defective pressure reducer Check pressure reducer
Solenoid valve defective Test the voltage at the solenoid
valve (220 volts)
Gas nozzle on burner or hose
package clogged
Clean the gas nozzle and
grease the burner with nozzle
grease or spray with nozzle
spray, blow out the hose
package
Draft at the welding point Shield the welding point or
increase the gas flow.
Dirty workpiece Remove rust, grease or paint
Bad wire quality or unsuitable
shielding gas
New welding wire, use suitable
shielding gas or mixed gas
4 Constant gas leakage Solenoid valve defective, foreign
body in the valve
Clean or replace solenoid valve
Hose is not tight Fasten hose clamps
5 No wire feed when the
fan is running
Microswitch in the torch or
control line in the hose package
is defective
Bridging the two small contacts
in the central connection with a
piece of wire
Control board defective Reset the control board
Fine fuse at the control
transformer defect
Replace micro fuse (1 A)
6 Wire feed cannot be
regulated, motor only
Control board defective Reset the control board
7 No welding current
when the feed is
working normally
Main contactor defect Check line contactor, replace if
necessary
Step switch defective Measure the step switch
function
Ground cable or hose package
is not making contact
Check ground cable and hose
package connection and pliers
for contact
Overload protection has turned
on
approx. 10-20 min cooling with
the fan motor running
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