Check to see if GFCI has popped.

Push Reset button back in and see if lights come on and/or the pump starts.

If it GFCI pops again, refer to Popping Breakers

Test Power outlet to make sure there it is a good outlet.

If still nothing comes on, test power outlet to make sure it is a good outlet.

If outlet is good and machine still does not come on, the board, power cord, or power supply is bad.