English1093If they do not match, proceed as described below:Ensure that the lever is in contact with the brew groupbase.Make sure that the hook which locks the brew group is inthe correct position. firmly press the "PRESS" button tocheck its position.Insert the brew group into its seat again until it locks intoplace WITHOUT pressing the "PRESS" button.Insert the coffee grounds drawer and the drip tray. Closethe service door.10.2.9 Brew Group Cleaning withthe "Coffee Oil Remover"Besides weekly cleaning, we recommend performing acleaning cycle with "Coffee Oil Remover" afterapproximately 500 cups of coffee or once a month.This operation completes the maintenance process for thebrew group.Both the "Coffee Oil Remover" system used to clean thebrew group and the "Maintenance Kit" may be purchasedat your local dealer or at authorised service centres.The "Coffee Oil Remover"system has no descalingproperties. For descaling,use the Saeco descalingsolution and follow theprocedure described in the"Descaling" chapter.The wash cycle cannot be interrupted. Do not leave themachine unattended during this operation.Do not drink the solutiondispensed during thisprocedure. The solutionmust be disposed of.Switch to programming mode as described in section"Access to the Programming Menu".Press the "Clean" button and select the "MACHINEMENU" option; press the "Coffee" button to access themenu.