General, there is main problem for compressor wine cooler from different supplier:

1> Gas leakage from compressor space

2> Gas leakage from internal, this is main problem,which is hard to control from all factory, even it will happen after one year.

3> Mini Gas Leakage, that will happen after one year

4> Electric board problem including fuse, and some component

5> Sensor problem

6> Wiring connection loose

7> Condensation on glass door

Of course, there are some small problem for different factory's products,that will be different