How do I put a different application in an existing MNL controller under an AS?

NOTICE

POTENTIAL FOR DATA LOSS.
The steps detailed in the resolution of this article may result in a loss of critical data if not performed properly. Before beginning these steps, make sure all important data is backed up in the event of data loss. If you are unsure, please contact Product Support Services prior to attempting the procedure below.

Issue

How do I put a different application in an existing MNL controller under an AS?

Product Line

TAC I/A Series, SmartStruxure Solution

Environment

AS with MNL controllers

Cause

An incorrect application has been installed in a device.

Resolution

First, the correct application must exist in the WorkPlace Tech editor list.  

Expand the System Tree to expose the MNL device to be changed and the Application file under it.  Right click on Application and select delete. 

Now right click on the MNL controller select MNL and Assign application and assign the correct application from the list.

Once assigned right click on the controller select MNL and select Download application.