Not 100% sure what you mean.
The ones that are working are;http://www.davisworthing.co.uk/vp2.php
The vue menu item ishttp://www.davisworthing.co.uk/vue.php
which does not work. Neither does http://www.davisworthing.co.uk/davconvueCU.php
If you want a Vue to display instead of (or as well as the vp2) then the HowTo file advises:-
There is one main script and vp2 and Vue include scripts for each screen layout;
davconvp2CU.php is the main script - may be copied/renamed to davconvueCU.php
The include files are named;
davconvp2CU-inc.php for the Davis VP2, VPro2 and VPro2 Plus consoles
davconvueCU-inc.php for the Davis Vue console
The same data is used for either vp2 or Vue and the supplied davconvp2CU.php
handles either display by setting the $console variable which then uses the
associated include file to handle the differences between each console type.
The options are;
if using both, make a copy davconvp2CU.php and rename the copy
davconvueCU.php and use both -inc files.
if only using the vp2 console, use the vp2CU.php and the vp2CU-inc.php files.
if only using the vue console, rename the davconvp2CU.php to davconvueCU.php
and use the vueCU and the vueCU-inc files.
(There is an alternate package for users of the Saratoga template based
website scripts utilising davconvp2CW.php and include files)
See the INSTALLATION section below for further details.
All other files / folders in this package are common to both vp2 and vue scripts
and your menu needs to call:-http://www.davisworthing.co.uk/davconvp2CU.php
So it would seem that after you have set updavconvueCU.php you then need to make http://www.davisworthing.co.uk/vue.php