AL01 code?

Hi!
I've got a hotpoint dishwasher FDW70, out of garantee, and it's no working, because when i put it on it just show on LCD display a code AL01, i don't know what's mean that, i need to solve it. so if you can help me, and told me about the fuse what i don't where they're.
Thanks in advance.
Armenio Anjos