EW506S knobs replacement?

The power button on my Electrolux EW506S washing machine has gotten stuck about halfway in. It will run if I manually hold the button all of the way in, but when I let go, the machine stops and the power button goes back to about halfway, so that it isn't sitting flush with the other buttons. I've tried to take off the front faceplate to see what's wrong but haven't been able to figure out how it comes off. Any suggestions?
alex fromin, January 2014


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