switch on at mains (wall socket).Switch program dial to OFF.Press start pause button and extra rinse button in together and then whilst holding these 2 buttons pressed rotate the program dial to COTTON.After 3 sec lights should sequence.Now switch program dial back to OFF.switch on,switch off,switch on.this should of reset it.E20 is a draining issue and could be to do with the routing of your drain hose.do not extend drain hose as this causes said fault.over sudding causes this fault.software on pcb has been an issue.earth leakage on the dryer element cause this sometimes too.anything around 10megs to earth is a possible issue.
ck, January 2010