7 Troubleshooting
Machine for cutting ring pre-assembly and final assembly
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7.3.10 Other faults
Other faults (cannot be integrated
in machine)
Possible cause
Cutting ring not cutting in
Fault: Visual check shows insufficient
bulging ahead of cutting ring
Tool
• Tool wear
Tube
• Tube too flexible due to material or
dimension ratio
Tube is stuck in the stud after assembly
Fault: Tube end expands during
pressing
Tube
• Tube too flexible due to material or
dimension ratio
Pressing does not start
Fault: No reaction from the machine
Machine
• Light curtain interrupted (at start)
Control
• Contact sensor defective/misaligned
Operation
• Machine not at the correct
menu item
• Production quantity reached
Oil loss
Fault: Oil leak
Hydraulic system
• Seals defective
• Machine tipped too far from
horizontal position
• Hose/tube leaking. Contact
the manufacturer.
Machine does not start
Fault: Machine does not start
Power supply
• Device not connected to the power
supply
• Power supply not switched on
• Cable or connector damage
• Screen defective
Warm-up run
• See