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Its really hard to determine without proper diagnosis, but are you sure it indeed has a compressor? does it run ? Does it have a circulating fan inside? A lot of the wine coolers I've dealt with were "Peltier" coolers. They use electronics to cool usually only to about 10deg below room temp. They require a load ( in this case wine bottles ) to operate properly. They don't have a cold control like a refrigerator.
Small refrigeration units like this one like to fail to cool by developing a small leak and slowly leaking refrigerant. THERMOSTAT FAILURE CHECK: A technician will check the thermostat using using a DMM (digital multimeter). But you can suspect the thermostat if you set the thermostat high and the compressor motor does not run, then set thermostat low, and the compressor motor also doesn't run - in other words, the thermostat is failing to start the refrigerator's refrigeration system no matter what its setting - an obvious failure of the thermostat. COMPRESSOR FAILURE CHECK: If the compressor is dying, you would hear the compressor running almost constantly, but not sounding quite right (uneven noise, clunking, tapping). REFRIGERANT LEAK CHECK: If you unit is low on refrigerant (due to a leak), the compressor motor will be running almost constantly, but it will sound Ok.
Turn the temperature dial to the lowest temperature setting. Wait 24 hours for the wine cooler to reach the desired temperature. Also, turn the wine cooler off and inspect the fan. If the fan if it's running or not.
Lastly, check the compressor.
These are the areas that could make your wine cooler stop cooling; the temperatue settings (Thermostat), then Fan and the compressor.
Check these three areas and let me have a feed back.
The compressor is running, that is a good sign. If you notice any cooling that is not a good sign. Even with the fan not running , the evaporator should have produce some cooling. Could it be that you are a condenser fan running? well, the compressor makes a distinct sound when it runs and you need to confirm that is running and not just the condenser fan.
Firstly- If you confirm that the condenser fan is running; that is, if there is one, that is good.
Secondly- Check and confirm that the compressor is running
Thirdly- If there is an evaporator fan inside the unit, check and confirm that is running.
If all checks okay and there is no cooling, the refrigerant might have escaped through a leak, and there will not be any cooling.
You can extrapolate from my troubleshooting steps to diagnose the wine cooler problem.
if suction line is warm and pressure line hot . sounds like comp is trying to do its job / ck the fans and they may be slow or not going . spilling of the wine did not cause problem . .. but now is the time to correct the problem .. mm / ps if unit is running like you state the you might look at the ref charge . as it may be low . mm . hope this hs helped . feed back pls .. mm
Few things to check here. If the compressor is not running then the problem may be a bad thermostat or the compressor start device (ptc starter). Most common would be the thermostat on wine coolers. Also need to check if the fan is running. If everything is running then you have a sealed system problem. If the fan is the only thing that is not running that will cause a no cool situation.