Sounds like a main module fault.
We stock it at £49.90+vat plus postage
of £5+vat. Module is all programmed and
ready to fit. If it does not sort the problem,
you can return it for a refund, less our
handling charge of £9+vat. Go to our site at
www.emwelec.co.uk and put WF340 in the search box and order online or call us on 01159652118
Tony www.emwelec.co.uk
EMW Electronics
March 2012