Neil, could be worn carbon brushes on motor (stops water going in) or faulty main module (back of machine). we supply the main module at £65.88 inc postage ready programmed (exchange). If it does not cure the problem , return it for a refund, less our handling charge of £10.80. To order, go to our site at www.emwelec.co.uk and put WF740 in the search box or call us Monday morning on 01159652118 Tony
www.emwelec.co.uk, March 2012