HI all,

The spindle motor on my cinci contourmaster has just failed.
When I measure the phase to common resistance ( Y connected) it is  
constant at 2.3 ohms.
Phase wires are paired as this is a 480/240 motor.
Resistance on one of the pair is the 2.3 ohms the other is open.

Motor will spin up if given a start just like a single phase with no  
starter winding.

What is the failure mode and what am I missing.

TIA

Dave

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