F08 means heater relay failure on main module. We stock the module at £65.88 inc post (exchange). Go to our site at www.emwelec.co.uk and put Wt761 in the search box to order online or call us Monday on 0115 9652118. Tony EMW Electronics
EMW
November 2011
i would unplug it , and check the plug, makeing sure all the wires are tight, then try pluging it into a different wall socket, with a extesion lead, . and then see if it is still tripping, , if its ok, then the problem is that wall socket that its in now, have it check out..