Ok, so I took the controller over to Tasco, along with the mount.
Rob knew of no keypad procedure to reset to factory default parameters, however as I had been supplied with a Beta v3.1 controller instead of the final edition he downloaded the latest firmware. And seemed to think that was that. Not so. I persuaded him to try the contoller out on a HEQ5 mount that was there. We set the time to 2000 hours and sent it off looking for Sirius which it should have thought was about mid way up at the East of its polar axis. It drove the imaginary scope to look below the virtual south western horizon. The amazing thing is that it seems all smoke has been left intact in the various components else it would just not do anything, yet firmware update did not solve the problem.
I left with a new controller, thanks Tasco, and now the mount is drift aligned to 15min accuracy.
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