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TROUBLESHOOTING
PROBLEM
CAUSE
Incorrect input voltage
Wrong size drive roller groove
Intermittent
Welding Arc
Poor ground
Wire slipping in drive rollers
Wrong size or worn contact tip
Gas regulator not opened enough
Gas cylinder empty
MIG Gun connector not fully inserted
Shielding Gas
into socket of Welder
Not Flowing Out
of MIG Gun
O-rings on MIG Gun damaged or missing
Gas leaking from hose or fittings
Gas diffuser plugged with spatter
Welder Goes
Into Overload,
Duty Cycle exceeded and Welder has
AMBER Over-
overheated from excessive usage
temp Indicator
Illuminated
22
CORRECTION
Check power supply. The MIG 90 requires a properly grounded, 120 Volt AC,
20 Amp power supply.
Check drive roller size and install drive roller as required to match wire size
being run.
Prepare a thoroughly clean area on work piece for the ground clamp.
Check condition of ground clamp and clean clamping surfaces if necessary.
Check ground clamp attachment at Welder for tight connection.
Tighten drive roller tensioner.
Replace the contact tip for one of correct size or new condition.
Open gas flow knob further to allow more gas through.
Refill welding gas bottle.
Loosen MIG Gun hold-down wing nut and fully insert connector into socket
before re-tightening wing nut.
Replace MIG Gun O-rings.
Tighten fittings or replace damaged parts as necessary.
Replace gas diffuser.
Leave Power Switch on allowing cooling fan to run for 15 minutes cooling
welder then re-try.
Eastwood Technical Assistance: 800.343.9353 >> tech@eastwood.com
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