London Tube - Oyster Errors

We have all done it so many times. Stroll up to the tube gate, swipe your Oyster card and BEEP! A strange error number appears on the gate. But what does that error number mean?

Now you can find out with Oyster Errors! Demystifying London Underground's error codes.

Simply download the app and enter the number you see on the gate and we will tell you what the number means.