1. Remove the mailbox. (How to Remove the Mailbox)
  2. Place the mailbox in a standing position on a flat surface.

    Be careful not to apply an excessive force to the mailbox in a standing position to avoid damage and deformation.

  3. Remove the top cover. (Top Cover)
  4. Open the inverter guide door [A] and mailbox door [B].
  5. Slide the front cover [A] upward and remove it.
    Disconect the connector [B] on the back of the cover.