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CCS/LAUNCHXL-F28069M: Motor not starting using Lab11e

Part Number: LAUNCHXL-F28069M

Tool/software: Code Composer Studio

Hello,

I am facing a confusing problem related to lab11e which is "Most of the time motor don't even start and shows no moment  at all and some times it runs flawlessly."

We are having a PMSM motor which is running on our custom made Inverter and sensing circuits. All the labs till 11a are verified and the motor and inverter is running fine.

I have also verified the Hall output and they are proper.

And phase sequence is also correct as motor rotates sometimes.