Induction cooking is getting more and more popular, and rightly so. With fast and easy cooking its a more efficient and cost effective that the regular electric or gas hobs.
One of the most common errors that occour on an induction hob is e4, specifically on a rangemaster.
Generally if its a newer hob it could just mean that the induction boards need re-configuring which is a simple job, if the hob is a but older then it could be that a component needs changing.
If your getting E4 and one or more hobs on your rangemaster cooker, get in touch and our engineer, who has been trained by rangemaster on these, will come and get you back up and running.