GYS NEOPULSE 400 CW, Translation Of The Original Instructions

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40
Operating manual
NEOPULSE 400 CW
Translation of the original
instructions
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DEFECTS: CAUSES & SOLUTIONS
SYMPTOMS POSSIBLE CAUSES SOLUTIONS
The flow of the welding wire is not constant.
Clogs blocking the opening.
Clean the contact tube or replace it with non-
stick material.
The wire slips in the roller. Reapply the non-stick product.
One of the rollers is spinning. Check the tightness of the roller screw.
The torch cable is twisted.
The torch cable should be as straight as
possible.
The reel motor is not working. Reel brake or roller is too tight. Loosen the brake and rollers.
Incorrect wire unwinding.
Dirty or damaged wire guide. Clean or replace.
Roller pin key is missing. Reposition the pin in its slot.
Reel brake is too tight. Loosen the brake.
No current or wrong welding current.
Improper connection of mains plug.
Check the plug connection and verify that the
plug is connected to the power supply.
Poor earth connection.
Check the earthing cable (its connection and
the condition of the clamp).
No power. Check the torch trigger.
The wire jams after passing through the
rollers.
Crushed wire guide sheath. Check the sheath and torch.
Wire jamming in the torch. Replace or clean.
No capillary tube. Check that the capillary tube is present.
Wire speed too high. Reduce the wire speed.
The weld bead is porous.
The gas flow is insufficient.
Adjustment range from 15 to 20 L / min.
Clean the base metal.
Gas cylinder empty. Replace it.
Unsatisfactory gas quality. Replace it.
Air circulation or wind influence. Avoid draughts and protect the welding area.
Gas nozzle is too clogged. Clean or replace gas nozzle.
Bad wire quality. Use a wire suitable for MIG/MAG welding.
Condition of the welding surface is too poor
(rusted, etc.).
Clean the workpiece before welding.
The gas is not connected.
Check that the gas is connected to the power
source’s inlet.
Excessive sparks.
Arc voltage is too low or too high. See welding settings.
Poor earth connection.
Check and position the earth clamp as close
as possible to the area to be welded.
Insufficient gas protection. Adjust the gas flow.
No gas coming from the torch. Poor gas connection.
Check the connections of gas inlets.
Check that the solenoid valve is working.
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