My BOSCH Exxcel Dishwasher keeps tripping the RCD ?

My BOSCH Exxcel Dishwasher (Maxxfreedon performance 3 in 1) keeps tripping the RCD on the main electrical panel. When I turn the power on the lights on the display panel come on indicating the programme is in mid cycle – 53 minutes left. The fuse (13Amp) is intact and working other appliances and all the wires are correctly in situ in the plug. The plug socket works other appliances. There are no signs of a leak anywhere. Are you able to point me in the right direction?