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Try unplugging the machine, first.
Leave it unplugged for at least 1/2 hour, to make sure it cools off and resets.
If there's a reset button near where the power cord goes into the machine, be sure to press it, or if it is a rocker switch, flip it to the other position (while it is unplugged).
After that... try a different outlet. Or test your outlet with a different smaller device to make sure the outlet isn't 'switched Off' or GFI interrupted, to make sure the breakers for that power circuit in your building haven't blown out.