Bosch washing machine classix 6 Stopped working. wont let me program it. A key symbol flashes on

I believe that the key symbool indicates that the machine cannot lock the door. Sometimes the result of a slightly sticking door interlock mechanism. Open the door and close it hard and firmly (slam it a bit, but don't get silly about it!). A good test to see if this is the problem is to attempt a program with the door swinging open. If the symptoms (flashing key) are the same, then the issue is almost certainly narrowed down to that door lock mechanism.

If this fails, unplug the machine from the main power source and leave it for 20 minutes to allow it to reset its self, then try again.