Bail out by hand as much water as you can to lighten the machine. Turn power off. Pull machine forward and tip it back against a wall as far as you can. Look underneath on front right corner of bowel & locate the drain pump. Try turning the fan blade on the pump back & forward and see if it comes free. If it does, stand machine up & put it on final spin & see if the pump keeps running. If it stops & hums again then the pump will have to come out to clear the blockage. Post back here & I will guide you through the removal procedure if needed.
Lincoln Appliance NZ, March 2014