Got one couple days ago, and since then V1 displays E after couple minutes of usage. Especially when it is lightly warm. The heat level is an operating temperature I am referring to, the slight warmth that can be felt while touching.
Had this unit (3.856) for 1 year and 6 days. Out of warranty.
It works when A/C is pointed to it, when it is cold.
Anyhow, just wondering what inside causes the unit to go bad? I'll send in the unit when I have time.