The wife washes her fish aquarium large rocks etc. in the dishwasher and it started to make a lot of noise found some of the little bottom rocks in the lower spray arm cleaned the out the lower arm it has water presure but appears the upper one has none. how can I opperate the machine with the door open to see whats going on? 
Monty
You’ll need to close the latch with a small screwdriver to trick it into “seeing” the door closed. Be prepared for a lot of water to spray out the open door.