i had a strange issue today. i placed on my nd filter while it was switched off and had gimbal clamp on .took it outside to fly removed the gimbal clamp powerd on and it was saying gimbal overload error. switched it off and back on a couple of times still the same saying remove gimbal clamp. yet it wasnt on.. in the end i powerd it off removed the nd filter and worked fine then i poped nd filter back on .. strange one any feedback on this would be great