THERE IS A FUSE IN THE MECHANISM INSIDE LOO WHERE THE WHERE THE TANK LOCATES INTO THE OPENING KNOB. MINE STOPPED FLUSHING AND IT WAS THE PUMP THAT HAD FAILED. I GOT MINE AS A REPAIR KIT FROM CAKTANKS SALES@CAKTANKS.CO.UK IT FITTED BACK WELL THEY SUPPLIED A SET OF PRINTED PICTURE INSTRUTIONS IN THE KIT AND LOO WORKS FINE NOW.
JON
January 2008