I just received my refurb 8500 today from Escort and plugged it in. On plugging it in, there was sound but no LED display whatsoever. I tried pressing the dim button but nothing. Pressed the Program buttons again, nothing but some beeping and then some very very brief LED (maybe 1/4 second) for the various menu items. Then, without explanation, it worked for a few minutes. I unplugged it and plugged it back in a few minutes later and again, no LEDs at all even though it clearly powered on based on the beeping. I then tried a factory reset but this had no change on the unit.
So...am I doing something wrong here or is this a DOA unit that needs to go back? If it's DOA, needless to say I'm highly disappointed and have to question quality control.