No manual override on this model, seems like your door interlock is stuck, try unplugging machine, wait 2 mins then push door further shut at same time give front casing near the doorswitch a couple of bangs it can sometimes release the lock but you will probably have to replace the lock. If that doesnt work remove lid and reach down inside machine and push the door hook to the appopriate side to release.Cheers
Kenjo
June 2012