Originally Posted by
Jerry McFarland
I get the hf26 code on my series 2 1100 vfd on an intermittent basis. I called Tormach when it first happened a few months ago and they said replace the VFD. So since it is intermittent and I do not want to buy a new VFD I just put up with it. Maybe I get it once a week and power off the cabinet, watching for the VFD display to go dark, then power back up. Very annoying.
My 9 year old 1100 is in a basement shop so it is not cold, seems to be happening randomly.
So as soon as I start up the machine I check immediately if the spindle will turn rather then executing the referencing of X, Y and Z which has to be repeated if you have to power cycle the cabinet. Once its good it seems to stay that way.