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