On Dec 17, 10:31 am, Andrew Webber wrote:

Most of the buttons are still functional, e.g. I can set it to 2hr 4hr
or 6hr delay, but the CANCEL button doesn't seem to repond.

Can anyone suggest a DIY solution? It's within the 5yr parts warranty
but outside the 1yr labour warranty.

Have you tried the general purpose "reset" for anything electronic?
Unplug it for a few hours then plug it back in.

Jerry