GYS GREENLINE NOVOMIG 140 Manual De Instrucciones página 14

aNOMalIES, caUSES, REMèDES
symptoms
The welding wire speed is not
constant.
The wire-feeder motor doesn't ope-
rate.
Bad wire feeding.
No welding current.
The wire jams (after the rollers).
The welding bead is porous.
Very important flashing particules.
No gas flow at the end of the torch.
NOVOMIG 140 - 160 - 170+
possible causes
Debris is blocking up the opening.
The wire skids in the rollers.
Reel or roller brake too tight.
Electrical supply problem.
Covering wire guide dirty or damaged.
Reel brake too tight
Bad connection to the main supply.
Bad earth connection.
Torch trigger inoperative.
Guide wire sheath crushed.
Wire jammed in the torch
No capillary tube.
Wire speed too fast
The gas flow rate is not sufficient.
Gas bottle empty.
Gas quality unsatisfactory.
Air flow or wind influence.
Gas nozzle dirty.
Poor quality wire.
Surface to weld in bad condition. (rust,
Arc voltage too low or too high.
Bad earth connection.
Insufficient gas flow.
Bad gas connection.
Clean out the contact batch or change
it and replace the anti-adherence pro-
Control the roller pressure or replace
Wire diameter non-compatible with
Covering wire guide in the torch non-
Check that the power switch is in the
Check the mains connection and look
if the plug is fed by 400 V (170+H)
Check the earth cable (connection and
Check the torch trigger / replace torch.
Check the presence of capillary tube.
Adjust flow range 15 to 20 L / min.
Prevent drafts, protect welding area.
Use suitable WIRE for MIG-MAG wel-
etc...)
welding machine. Check the flowmeter
remedies
duct. Ref.041806
it.
roller
compatible.
Release the brake and rollers.
"On" position.
Clean or replace.
Release the brake.
power socket.
clamp condition).
Check the sheath and torch body.
Clean or replace.
Reduce the wire speed.
Clean the working metal.
Replace it.
Replace it.
Clean or replace the gas nozzle.
ding.
Clean the metal before welding.
See welding settings.
Adjust the earth cable for a better
connection.
Adjust the gas flow.
Check the gas connection at the
and the solenoid valves.
EN
14