"asdf" wrote in message
...
If your Oyster card is registered, then (regardless of the cause) you
can get the problem fixed by calling the Oyster helpline (number is on
the back of the card). However, since it's an 0845 number..

020 7227 7886 is an alternative to 0845 3309876 for the Oyster Helpdesk.

Regards
Sunil