Sounds like main module failure. We stock it at ÂŁ49.90+vat plus postage of ÂŁ5+vat. Go to our site at www.emwelec.co.uk and put WF321 in the search box or call us Monday on 0115 9652118 Tony EMW Electronics, The Barn, Millfield, Oxton, Notts, NG25 0TD
EMW
March 2011