The pump takes the water out so will have nothing to do with your problem of water not coming in. Check water tap is fully open. If it is then close it and take hose off tap & inlet valve on back of machine. Check any filters in the end of the hose to make sure they are not blocked. Put hose back on tap & direct other end in to sink and slowly turn tap on to make sure there is a good flow of water. Attach hose to machine inlet valve & try a wash. If still no water coming in then you probably need a new inlet valve fitted.
Lincoln Appliance NZ, June 2011
