GYS KRONOS 250M Manuel D'utilisation page 29

User manual
ROLLERS (B) OPTIONAL
Reference (x2)
Diameter
Steel
ø 0.6/0.8 042353
ø 0.8/1.0 042360
ø 1.0/1.2 046849
DEFECTS: CAUSES & 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.
The weld bead is porous.
Excessive sparks.
No gas coming from the torch.
Error while downloading.
Backup error.
Translation of the original
instructions
Diameter
Aluminum
- ø 0.9/1.2
042377
040915
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.
No power.
Crushed wire guide sheath.
Wire blockage in the torch.
No capillary tube.
Wire speed too high.
The gas flow is insufficient.
Gas cylinder empty.
Unsatisfactory gas quality.
Air circulation or wind influence.
Gas nozzle is too clogged.
Bad wire quality.
Condition of the welding surface is too poor
(rusted, etc.).
The gas is not connected.
Arc voltage is too low or too high.
Poor earth connection.
Insufficient gas protection.
Poor gas connection.
The data on the USB stick is incorrect or
corrupted.
You have exceeded the maximum number of
backups.
Reference (x2)
Flux-cored wire
042407
SOLUTIONS
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.
Adjustment range from 15 to 20 L / min.
Clean the base metal.
Replace it.
Replace it.
Avoid draughts and protect the welding area.
Clean or replace the gas nozzle.
Use a wire suitable for MIG/MAG welding.
Clean the workpiece before welding.
Check that the gas is connected to the power
source's inlet.
See welding settings.
Check and position the earth clamp as close
as possible to the area to be welded.
Adjust the gas flow.
Check the connections of gas inlets.
Check that the solenoid valve is working.
Check your data.
You need to delete some programs.
The number of backups is limited to 200.
KRONOS 250M
29