Make sure you unplug the appliance first.first of all make sure you check for anything obvious like a loose wire off of a solenoid valve . pump-out impeller might be stuck with something inside the housing. or the pump motor is turning and the impeller is broken causing the noise. make sure nothing is restricting the discharge hose or is kinked.
another thought-,check to see if there is a pump out solenoid valve that is not opening or chattering.
Answers & Comments
Make sure you unplug the appliance first.first of all make sure you check for anything obvious like a loose wire off of a solenoid valve . pump-out impeller might be stuck with something inside the housing. or the pump motor is turning and the impeller is broken causing the noise. make sure nothing is restricting the discharge hose or is kinked.
another thought-,check to see if there is a pump out solenoid valve that is not opening or chattering.