Not heating, element and the stat in the base close to the mains filter both OK, wiring seems sound, possibly the control timer, unless anyone knows of specific faults on these.
SORRY CANT HELP YOU WITH THAT WOULD BE UNUSUAL FOR TIMER NEVER REPLACED ANY OVER THE YEARS FOR THAT FAULT IS THE FAULT ON THE NEUTRAL OR LIVE SIDE WILL ASK AN OLD COLLEGUE OF MINE TOMORROW AND SEE IF I CAN COME UP WITH ANYTHING OK