Haier mini fridge model hswo2c not working

There are three things that can cause this.
A stuck water inlet valve.
Except is hums which means the solenoid is energised.
So it is either a switch that tells it to work.
Or the control board.

Unless you have a multimeter and the ability to check voltages and open circuits, call in a service tech.

https://www.google.com/search?q=Haier+fridge+with+water+dispenser+which+won%27t+turn+off

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RF-6850-16 Start Relay
Is the compressor again getting hot once you turn the temperature down? Will the refrigerator cool if you turn the temperature to as cold as it can get? Reason I ask is I am trying to decide if it is the thermostat or a defective staryt relay. Even at the cost of parts I would be careful and sure of what you are going to do here. Haier is not well know for quality products or customer support and there are other brands names out there that will support customers much better than Haier. Not trying to say bad things about your refrigerator I just hate to see when people invest into something and then get left holding something that Haier will not help with and does to all of their customer. Thanks Sea Breeze
I have lost valuable customers because of Haiers lack of customer support.

That would be the thermostat. Can order online.

If it's less then a year old you have a warranty, if it's older you are better off replacing the unit as direct parts are not available and subs would cost more that the unit.

have you tried testing the plug. Has the fuse blown in it? try changing the plug to see, then if this doesn't work try a different power outlet.

Max means colder.

some thing is wrong

I had the same problem, and it turned out to be a cooked fan motor.
I couldn't find a reasonable (less than $150) replacement motor from Haier places, but I just took the motor out and took it to an appliance repair center (in North Denver)
They said it was a standard part, charged me around $22 for a new one and I was all set.

For my replacement motor, it was a reversible design, and was initially set to go the wrong way, so I had to reverse it.

I have a Haier mini fridge model hrt02wncbb it will not cool, The fan runs all the time. I keep it in my class at school but there is five other mini fridge they work find what should i do?