Kenwood Dishwasher fault?

Kenwood dishwasher model no.KDW60X16/A
all switches fail to operate but light up. on/off switch stays on!
panel shows - -
Any suggestions?
Kelvin Jenkins, July 2022


done
Service manual here. Includes a section on fault codes.

https://www.partmaster.co.uk/images/mediator/90/service%20manual%20-%20kdw60x16.pdf

Gfr3, July 2022
link Click here to see other fixes for Kenwood.