How do i repair a haier model esr042p22 refrigerator?

All refrigerators can be repaired. Or you can choose to replace.

Replacement
https://www.google.com/search?q=Haier+wine+cooler

Repair
https://www.google.com/search?q=Haier+refrigeration+repairs+near+me..

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Check your relay if your compressor is not kicking on

HI .THIS SOUNDS LIKE IS A PROBLEM WITH LACK OF REFRIGERANT.1-check if it makes a sound when u plug in 2-if yes then feel the condensing pipes behind the refrigerator.nearest to motor should be quite hot gradually cooling down through the con/unit.con/unit cold then more than likely short of ref.be weary u might have internal leakage.if hot (thin pipe)assuming its running it could be 1-thermostat 2-internalbloackage.3-motor.hope it helps.Ali

When it is off, gently shake the frig to see if the rattle is something in the frig hitting togrther. If that is not it it could be the compressor hitting the case inside due to a broken spring on the motor. The only repair for this is replace the compressor. In which case you let it run like that till it quits completely. That can be a very long time. Eric

this is a thermoelectric model and runs on a peltier junction. It will always have the fan running. That is the only moving part.

if the motor is runnig it has no gas in the system if motor is not running check the thermostat

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.

The thermostat that controls when the compressor needs to run has probaly quit.

I had the same issue, but without the burnt parts.
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.