Sounds just like mine! My big black hose from the dispenser drawer to the drum was split and leaking when the water went into the machine. Replacement cost about £17, bought online by typing in a search for indesit washing machine hose.
It is a common part for a number of machines and is accessible if you take the top off. Please disconnect from the power before touching, I know someone who died trying to fix a washing machine.
Janet
August 2010