The easiest way to drain a washing machine is to turn the unit off, then turn it on again. This will make sure that all the water is drained away from the machine before you begin rinsing it. Once you have turned off your washing machine, start by choosing the rinse program. This will take care of all the water that has been drained from your washing machine before you begin rinsing it. Once you have chosen a rinse program, press start. Water will be drained from this process as well as any water that has been added during this process.