Elevator Forum

Indirtwetrust, you were right. It was problem in UD2 driver board. Once I replace it drive OVF30 start to operate normal. There are no more drive erro...

This error appears regardles if elevator is moving or it is standing still. After a few minutes when elevator receive call, OVF30 reset error and star...

I have tested the isolated motor phase resistances and insulation resistance and it is ok. What else could it be?