Haier HVF060A Wine Cooler "frost cooling unit" Questions

...if you see frost or ice it is because the Freon level is low. There is a 5 year warranty on the compressor and sealed cooling system so if your within that period, I would call the

frost your temperature sensors are not working properly. I would look for corrosion on or in connections to be the fault or problem. Sensors report information to control unit and thats there only job

...the inside of the unit floor. The back panel being wet may just be condensation in between cooling cycles as the frost melts. If the unit is OK with keeping temps the refrigerant charge is likely