IPOTOOLS MIG-185CMT - Page 21

MIG-185CMT
19
Fine fuse at the control
transformer defect
Replace micro fuse (1 A)
6
Wire feed cannot be
regulated, motor only
runs at 1 speed
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
8
An arc is created as
soon as the gas
nozzle is touched
Short circuit between electricity
and gas nozzle
Clean the gas nozzle and torch
neck and spray with welding
spray
9
Torch gets too hot
Contact tip too big or loose
Use a contact tip suitable for the
wire size or screw the tip tight
10
Insufficient welding
current
Bad contact
Check ground cable and pliers
or hose package, replace if
necessary