my machine is an old kh830. The knob that you press down works when you do it manualy. Set the machine to do fair isle and card does not turn. I have looked at it and the teeth from the knob is not going down enough to meet the cog.What can I do?
thanks Liz

Elizabeth Ivers, January 2014

Here is a link to the manual as a PDF file:
http://www.aboutknittingmachines.com/uploads/SM_kh830_service_manual_kr830kl116khc820krc830.pdf

Adjust the knob or cog position.
There may be some dust buildup. Blow it away with compressed air.

Electro, January 2014