Why the start and door switches are by-passed on my Indesit IS60v?

I have just replaced the bearing and belt on my IS60V tumble dryer. It works and dries, but just works when the timer is selected: neither the start switch nor the door switch have any effect to start or stop - it just keeps going when the door is opened.

It's possible that I have re-connected the wires wrongly, in spite of making notes. But could it be the relay?