F12 indicates the ribbon cable between display module and main module not connecting. Pull each end off, nip with fingers and reconnect. If this still does not work, send your main module in the back of the machine for test/repair. Cost is £53.88 inc return postage. Tony EMW Electronics, Millfield, Oxton, Notts, NG25 0TD Tel 0115 9652118
www.emwelec.co.uk
June 2012