Simple reRender problem

[tiusender]

Hi everyone. I have the following problem: I'm trying to reRender a component that has a binding. This is the component:

<h:panelGrid id="canvasTable" binding="#{userAccount.insertedComponentsPanel}" />

I have a button to reRender it but it doesn't work. I left a warning System.out.println inside the getInsertedComponentsPanel method to check whenever it's called. It happens to occur only the first time, the load one. No calls to the method are received due to the button pressing.
I guess this has to do something with the fact I'm dealing with a binded component.
I would appreciate any help, thanks.

[alexsmirnov]

Please, provide source code of the binding methods, scope of the 'userAccount' bean, and page source code ( at least, important parts with button and form.