When it arrived it was installed and did not work. I opened up the front cover and found that a wire had been caught between the front cover and the base of the unit. That was not the problem though. The main relay for the compressor had come apart inside the housing of the relay. After some tightening of connections and reassembly of the relay contacts, the water fountain cools fine now. I would say a shipping problem, but the wire being out of place leads me to believe an assembly problem.
It barley gets cold and what is cool is barley more than a mouth full before it gets warm. If I turn the thermostat colder it freezes up and runs every 30 seconds. MY old one was a magnitude better than this.