Just to add to the blocked drainhole problem. From the rear you can see two tubes one black one clear. They run down to the bottom where there is a float mechanism that I assume turns the machine off when the float rises because the water in the tray hasn't been emptied and so goes down the overflow.
Turn off the power, remove plug, and remove tubes at the bottom and wire connectors 3 off, and remove the tray with float mechanism. (Two plastic clip type snap fit lugs either side) Clean all the gunk out of tray as described in the first excellent solution. You will also note that the very very small flat slit of a drain hole (Took me some time to figure out where it was, its at the end of your finger in the gulley, so drill from the outside at back, see below) is to easily clogged IMHO.
I therefore made the drain hole larger using a 1/4 inch drill or slightly smaller and thoroughly cleaned out the gulley and then cleaned & dried. It works OK now, no clogging, no tripping. Also regularly clean the fluff filter, take it out and suck all fluff off with a vaccum cleaner.
Mike L, January 2011
