GYS NEOMIG-i 400 G Betriebsanleitung Seite 23

User manual
OPTIONAL COOLING UNIT
Reference Product Name
075115 KOOLWELD 2
The cooling unit is automatically detected by the machine. To deactivate the cooling unit (OFF), please refer to the interface manual.
The safeguards provided by the cooling unit are to protect the torch and the user, and are as follows:
• Minimum coolant level.
• Minimum flow rate of coolant flowing through the torch.
• Thermal protection of the coolant.
Make sure that the cooling unit is turned off before disconnecting the inlet and outlet hoses for torch liquid.
Coolant is harmful and irritates the eyes, mucous membranes and skin. Hot liquid can cause burns.
OPTIONAL FILTER KIT
DEFECTS, CAUSES, AND SOLUTIONS
SYMPTOMS
The flow rate of the welding wire is not
constant.
The unwinding mechanism is not working.
Incorrect unwinding of the wire.
No current or wrong welding current.
The wire jams after passing through the
rollers.
Translation of the original
instructions
Cooling Capa-
Capacity
city
890 W 5.5 L
Dust filter (ref. 046580) with filtration to: 630 µm (0.63 mm).
Please note that the use of this filter reduces the duty cycle of your machine.
To avoid the risk of overheating due to clogged air vents, the dust filter should be cleaned on a
regular basis. Unclip and clean with compressed air.
POSSIBLE CAUSES
Clogs blocking the opening.
The wire is slipping on the rollers.
One of the rollers is spinning.
The torch cable is twisted.
The spool's brake or roller is too tight.
Dirty or damaged wire guide.
Roller pin key is missing.
Spool's brake is too tight.
Incorrect mains outlet connection.
Poor earth connection.
Power problem.
Spooling problem.
Crushed wire guide sheath.
Wire blockage in the torch.
No capillary tube.
Wire speed too high.
Power supply voltage
400 V +/-15%
Clean the contact tube or replace it with non-
stick material.
Reapply the non-stick product.
Check the tightness of the roller screw.
The torch cable should be as straight as
possible.
Loosen the brake and rollers.
Clean or replace.
Reposition the pin in its slot.
Release the brake.
Check the plug connection and verify that the
plug is connected to the power supply.
Check the earthing cable (its connection and
the condition of the clamp).
Check the torch trigger.
Check the wire-guide sheath and body of the
torch..
Replace or clean.
Check that the capillary tube is present.
Reduce the wire speed.
NEOMIG-i 400 G / 500 G
Liquid coolant (optional)
5 litres 10 litres
062511 052246
SOLUTIONS
23