Well folks the problem is not the switch as I completely disconnected it and the motor runs on high speed only. I'm now looking for a wiring schematic so I can figure what is causing this. I am guessing a welded relay.
Thanks for the quick suggestion. I checked the amp rating on the switch and it was OK for this application and it had an 'off' position between the other two positions. There's only one switch and I was VERY careful in my install however I'll try another switch. I'll let everyone know how this...
I am using a 230vac two speed motor and recently took the two speed timer off and installed a single pole double throw three position switch according to the suppliers directions. I turned the thing on and due to my not having everything secured it arced near the wiring terminations. I...