Smoke, smell, or ominous rumbling from the motor.
If you have an X4.1, that’s also an X4 so go here:.Sebo X4 spare parts.

If you have an X7.Sebo X7 spare parts.Bags for the X1, X1.1, X4.1, X4, X5, X7, X8 and XP.

are all the same.Find microfibre ones.

.. Is it worth repairing an old Sebo X4, X4.1 or X1.1?
It absolutely is, find out why.(when the Berlin wall came down).
We refurbished it and now it’s good for another few decades..The difference between Dyson and Sebo is that Dyson tries to reinvent the wheel every few years.
Every new model.and there are many.
(Editor: Quick Cushions)