EN - 26
BAL.0523.0 • 2019-10-17
11 Disassembly
iSTM mini
11 Disassembly
Fault
Cause
Troubleshooting
Cable assembly cannot be
inserted in the
iSTM mini
• Plug-in connection and gas hose still
mounted
• Dismantle plug-in connection and gas
hose
• Cable assembly flange is incorrectly
mounted on the
iSTM mini
• Check alignment
Gas loss
• O-ring seal at the liner fitting damaged
• Replace O-ring seal
• O-ring seal on the torch neck damaged
• Replace O-ring seal
• Machine-side shielding gas connector
leaking
• Replace shielding gas hose if needed
Welding wire is not correctly
guided
• Wire conduit coil is dirty
• Disassemble wire conduit coil and air-
blast with compressed air.
• Wear safety goggles
• 9 Maintenance and cleaning on
• Wire conduit coil worn
• Replace wire conduit coil
• Wire conduit coil cut too short
• Mount new wire conduit coil
Wire clamp in wire brake
model no longer functions
• Heavy dirt deposits
• Clean the wire brake components with
compressed air
• Wear safety goggles
• Compressed air supply has been
interrupted
• Connect the compressed air supply,
remove kinks
• Wire brake piston is damaged
• Replace the wire brake
Tab. 14
Troubleshooting
DANGER
Risk of injury due to unexpected start
The following instructions must be adhered to throughout all maintenance, servicing, assembly, disassembly and repair
work:
• Switch off the power source.
• Close off the compressed air supply.
• Close off the coolant supply.
• Disconnect all electrical connections.
• Switch off the entire welding system.
DANGER
Risk of burns
Risk of burns from hot coolant and hot surfaces.
• Switch off the cooling unit before starting maintenance, servicing, assembly, disassembly or repair work.
• Wear protective gloves.
NOTICE
• Consult the documentation for the welding components.
• Observe the information provided in the following section:
