Getting a display of DE

DE refers to a Door Error.
Please check the following link for more detailing on this.The solution is also mentioned in the same link.

click for detailing on DE error code

To get the manual, here is the LG website, you just need to enter your location details and get the manual among the choice.(The reason for this is that few models are available only in some countries)

click here for LG Website

Good luck,Please do rate my solution and post comments.