I've had a mount crash....it can happen.?? My Mount limits were not set right.??? But the Clutch allowed enough slippage as the Ra motor just got hot.
After cooling...it was fine luckily.? In Roman's case....sounds like damage to either motor(s) or Main PCB.? Send all parts, cables etc so they can all be checked.?? Michael is the closest repairer.?? The G1 is fully repairable
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Brendan