GYS DUOGYS 390-4S, Manual

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6
TROUBLESHOOTING
SYMPTOMS POSSIBLE CAUSES REMEDIES
Debris is blocking up the opening. Clean out the contact batch or change it
and replace the anti-adherence product.
Ref.041806
The wire skids in the rollers. - Check the roller pressure or replace it.
- Wire diameter non-compatible with
roller
-
Covering wire guide in the torch non-
compatible.
The welding wire speed is not
constant.
The rollers slide over the wire Check the tightening of the rollers’
screws.
Reel or roller brake too tight. Release the brake and rollers. The wire-feeder motor doesn’t
operate.
Electrical supply problem. Check that the power switch is in the
"On" position.
Covering wire guide dirty or
damaged. Clean or replace Bad wire feeding.
Reel brake too tight Release the brake
Bad connection to the main supply. Check the mains connection and look if
the plug is fed by 400 V (3PH) power
socket.
Bad earth connection. Check the earth cable (connection and
clamp condition).
No welding current
Torch trigger inoperative. Check the torch trigger / replace torch
Guide wire sheath crushed. Check the sheath and torch body.
Wire jammed in the torch Clean or replace.
No capillary tube. Check the presence of capillary tube.
The wire jams (after the
rollers)
Wire speed too fast Reduce the wire speed
The gas flow rate is not sufficient.
Adjust flow range 15 to 20 L / min.
Clean the working metal.
Gas bottle empty. Replace it.
Gas quality unsatisfactory. Replace it.
Air flow or wind influence. Prevent drafts, protect welding area.
Gas nozzle dirty. Clean or replace the gas nozzle.
Poor quality wire. Use suitable WIRE for MIG-MAG welding.
The welding bead is porous
Surface to weld in bad condtion.
(rust, etc…) Clean the metal before welding.
Arc voltage too low or too high. See welding settings.
Bad earth connection. Adjust the earth cable for a better
connection.
Very important flashing
particules.
Insufficient gas flow. Adjust the gas flow.
No gas connection Duogys 390-4S : Check that the gas pipe
is plugged to the correct connector. No gas flow at the end of the
torch.
Bad gas connection. Check the gas connection at the welding
machine. Check the flowmeter and the
solenoid valves.
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