Take end of hose off the back of machine. Point the end in to the sink & turn hot tap on. Make sure there is a strong flow. Then check filter inside the inlet valve (where you screw the hose on to.) The filter can be pulled out with a pair of pliers. Make sure it is not blocked. If water still won't flow when you start the machine either the inlet valve is faulty or the control board is not opening the valve & will mean the control board will have to be replaced. That model is nearly 20 years old.
Lincoln Appliance NZ
June 2014