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USER MANUAL | MANUEL D’UTILISATION | РУКОВОДСТВО ПО ЭКСПЛУАТАЦИИ | KULLANIM KILAVUZU
RS 350 M / MW PRO - RS 450 M / MW PRO - RS 550 M / MW PRO
4.3 Troubleshooting
The following tables contain possible errors to be encountered and their solutions.
Machine is not operating
Wire feed motor failure
The wire feed motor is operating, but the wire
is not moving further
• Check the fuse
• The fuse has blown
• Make sure that the machine is plugged in
• The machine is not connected to the mains,
or the plug is not connected
• Contactor failure
• Check the contactor
• The fuse has blown
• Check the fuse
• The power supply fuses, mains cable or plug
are problematic
• Check the power supply fuses, mains cable
and plug
• Select the appropriate wire feed roller
• Wire feed rollers were not chosen to fit the
wire diameter
• The mains connections are not correct
• Check whether the mains connections are
correct
• Electronic card failure
• Contact the authorized service
Trouble
Reason for Failure
Required Action
Fan is not operating
Machine operates noisily
Unstable and/or non-adjustable welding
current
Heater outlet is not operating
Welding quality is not good
• The pressure on the wire feed rollers is too
minimal
• Adjust the pressure roller
• Make sure that the cables are secure and
that the connection points are not worn
• Cables and connection points are worn out
• Make sure that the parameter and process
selection are correct. Follow the steps below
according to the process you have selected
• Parameter and process selection are not
correct
• Check the fuse
• The fuse has blown
• Contact the authorized service
• Contactor failure
• Contact the authorized service
• Diode group failure
• Check the fuse. Contact the authorized
service
• The fuse has blown
• Check that the gas flow is open, ensuring
that the flow is correct.
• Gas flow is not open or faulty
• Make sure the welding torch is secure
• Welding torch is damaged
• Appropriate consumables should be selected
and the consumables on the torch must be
cleaned regularly. Improperly selected or worn
consumables should be replaced
• Consumables were selected incorrectly or
damaged
• Make sure that the grounding clamps of the
machine is connected to the workpiece
• There is a problem in the connection of
grounding clamps of the machine
• Pressure roller settings must be made correctly
• The pressure adjustment of the rollers is not
correct
• Fan motor failure
• Contact the authorized service
Maintenance and Service
