John, this is a classic module fault on this model (the module in the back of the machine). We stock it, ready programmed so all you do is fit it. Cost is £65.88 inc vat & post (exchange). Go to our site at www.emwelec.co.uk and put WMD960 in the search box to order online or call us on 0115 9652118 to order on the telephone.
EMW, January 2012
