im not a expert either but i agree with rebuke, needs pulling out and cheking behind. found these few pointers if it helps
* Turn machine off, with timer dial in off position, make sure you have stopped the flow of water into the machine.
* If the water continues to run, after the above steps, then the mixing valve is stuck open.
* The water should be, at this point, turned off using the shut off valve at the back, on the wall, or may be located by the washing sink. Turning the valves clockwise will turn the water off. If all else fails and you cannot find these valves, turn the water off at the main shut-off in your home.
* Turn the timer dial to the spin cycle to empty the machine; leaving the water turned off. If the machine will not empty using the spin cycle, this is a signal that the pump or belt needs repair and it is time to call a technician.
* If the machine has emptied from the tub, then turn the machine off. Turn the water back on. If water starts to run into the tub before you have turned it on, with the switch, it is a sign that the mixing valve is not working.
* If water does not run until the switch is turned on to the cycle to fill the machine, then it appears that the water level switch is faulty.
* You may be able to un-stick the mixing valve by turning the machine off and on several times using the timer dial. The valve may stick again at any time, so use caution, by watching the machine to make sure it turns water source off at fill level. The "fix" is usually only short-lived.