GG asked ... Fix food processor motor?    |    T asked ... How do I turn the delay off on Electrolux DX302 dishwasher?    |    Helen asked ... How can I mend my Kenwood Gourmet FP505?    |    Roy Turner asked ... Kohlangaz Gosford HE fire?    |    Peter asked ... How can I mend a Powerwasher PRO PRO1800PWE?    |    Click here to ask your question

Can I mend or renew the heat controller knob?

MY neff HALOGEN hob 7 inch ring heat controller knob
works only on/off. On is on maximum heat only.
G LAWTON, February 2014
If it stays on full heat all the time the switch is faulty and yes you can replace the switch.( it is called an energy regulator)

Kenjo, February 2014
link Click here to see other fixes for Neff.