My wine cooler runs very hot to the touch. This excessive heat is present on top of my wine cooler. Sometines it just stopr working and an alarm sounds. I have made sure ther eis no dust on the motor area or fan. However, the hot top continues to be present. I have a second unit my another manufacture and it has no heat around the outside core. Can you suggest a fix for this overheating problem. I want to avoid a fire or damage to my wine. Thank you. Tom Love