The lever may refuse to lock into position if there is debris trapped inside the toaster/carriage. Please turn the toaster upside down and gently tap/shake to remove any debris. If this does not solve the issue, please take the toaster to an authorised repair agent for further assistance.
A list of De’Longhi approved repair agents can be viewed by clicking on the following link:
If your toaster is less than a year old, please remember to bring your receipt of purchase with you and the repair should be carried out free of charge under the terms of the guarantee.