11 Disassembly
Fault
Torch mount cannot
be attached
CAT3 does not
activate the stop
signal
The CAT3 does not
reset to the zero
position
CAT3 triggers despite
there not being a fault
Tab. 13
Troubleshooting
11 Disassembly
EN - 18
Cause
• Wrong torch mount used
• CAT3 mounting flange is defective
• Cable not connected between the
CAT3 and the cable assembly
• Cable defective
• CAT3 switch defective
• Mounted load is too heavy
• Mechanical defect
• Attachment parts (bracket etc.) not
correctly connected
• Mounted load is too heavy
• Robot speed is too high
DANGER
Risk of injury due to unexpected start-up
The following instructions must be adhered to throughout all maintenance,
servicing, assembly, disassembly and repair work:
• Switch off the power source.
• Close the compressed air supply.
• Close the gas supply.
• Switch off the entire welding system.
• Pull the mains plug at the robot welding power source.
Troubleshooting
• Use the correct torch mount
• Send the CAT3 for repair
• Connect the cable
• Replace the cable
• Send the CAT3 for repair
• Reduce the mounted load
• Observe the data provided by the
manufacturer
• Send the CAT3 for repair
• Check if the attachment parts are
properly connected
• Adapt the load to the
specifications
3.1 Technical data on page EN-7
BAL.0324.0 • 2017-02-01
CAT3