the machine has not emptied/drained out in a (specific time) 
hence the OE error 
 check the machines drainage pump and filter for any  blockages ,coins fluff  hairs etc. manually drain excess  water  out via the small front drain  hose when stopped remove the screw thread and shine a torch in remove objects make sure the impeller is free to turn refit screw thread and try
                
 wirecutterman
                
 November 2010