VFD & Spindle working great for months. Several jobs cut yesterday. Power up this morning, and just get error code E.oU.S or E.oU.5
Anyone seen this. It is similar to an error code in manual, but the manuals are generally inaccurate, and of little use.
Replaced VFD with a spare, and all is good again. This one is probably a throw away, but thought it's worth asking for info.