If the antiflood been activated then you need to pull machine out and tip it backwards to drain the water from the base.
Or if its built in then you need to remove the inspection panel at the bottom then you can use a sponge to sponge the water out.
Then when the waters out of the base the antiflood will reset itself.
If you need anymore info just get back to me.
You have a leak on the machine thats why its doing this.
Can you post the make and model number off the machine please.
zanussi zsf 4123 s
electolux - progress