Ok Amanda thanks for coming back with that info. The 3 lights on when it was beeping are error code 37 which is saying it is taking too long to drain. Usually caused by a blockage in the drain pump but can be caused by a faulty pump. Start by putting the cycle on final spin and press start. If drain pump sounds like it is running but no water comes out of the drain hose in to sink then you have a blockage. If you can hear a faint humming sound down low at the front of cabinet then the pump is trying to go but something in the pump is holding it back (hairclip, toothpick,etc) If no sound at all then pump is probably faulty. Try it and tell me which is happening and I will tell you how to deal with it.
Lincoln Appliance NZ, December 2012