Issue
Attempted upgrade of controller firmware cannot be performed
Environment
CX model controllers
BCX 9640 model controllers
Cause
A situation where a failed upgrade to the controller firmware can cause the controller to be in an state that cannot accept a firmware upgrade.
Resolution
1. Run a listview of the controllers and add the column “Usable” to the listview.
2. Run the listview and under normal conditions the usable attribute should be 1. if the attribute set to 0 perform the following steps.
3. Select the row in the listview where the "usable" attribute is 0
4. In the menu select Object/Set Attributes
5. Select Name = Usable and set the value to 1 and click ok. The controller should be in a state that will accept a controller firmware upgrade.