Removal of right side panel on teka lp800s?

I have a Teka LP800S dishwasher which is refusing to empty of water. I have checked for blockages in the pipes etc, and I can hear the pump humming so suspect something may be stuck in it. From a previous post I have established that the pump is on the right hand side, but I cannot get the panel off -- it looks like I would need to remove the door.

Are there any instruction available for the side panel removal as from a serviceability point of view it must be fairly easy so I am obviously missing something.

Thanks
Steve