Steve Smith wrote:
> it does not power up at all, no activity on the screen, however, I do get a flashing orange light on top of the mower, and the batteries show 12.9 +- on a load tester, so they are at least good enough to power up the system, I would think...
You've checked to make sure it's plugged into the robomower, right
(under the black cover thingie in there)
Try starting with cleaning the phone jacks on the inside of the control.
The cable goes in then to the 4 prong jack. Mine was filthy and wouldn't
work right until I cleaned it with cleaner and q tips.