My background is electrical, so I was initially thinking the capacitors were bad.
The fan starts and levels off around 0.
With the current situation it is difficult to get anyone in to look at it, and for just one tree I'll probably just operate under the assumption that was verticillium wilt and research a resistant replacement.
Any idea what caused this? I think I was adding more detail as you were replying.
They were overcome by a flea infestation due to their tiny stature.