BLE Safe–Factory Mode If you know the Code or Administrator PIN you can follow the following steps: Press and hold the Reset button on the battery compartment until you hear 2 short and 1 long beeps, then release the button and immediately enter the Administrator PIN + Enter. Repeat the Administrator PIN + Enter => Verify that the red LED on the keyboard is flashing again.This operation will delete the Administrator PIN and all guest PINs. To continue, a new Administrator PIN must be registered. If you do not know the Administrator PIN or Code you will have to complete the following steps: Disassemble the internal cabinet of the Safe that houses the batteries and access the Yale-4500 board. Keep the board powered by the batteries and bridge the F.Reset path located between the front ledwith a clamp or metal piece. The red led remains flashing. This operation will delete the Administrator PIN and all guest PINs. To continue, a new Administrator PIN must be registered.