Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Old stock out of production

These units have defective clock/timers.Production ceased 3 years ago.I have had four Melittas in the past,loved them all,I have four atomic clocks in my house all working just fine.The melitta clock never worked,I followed instructions to the "T".I tried the unit in several locations,it does not work.