Hi Hang, Apologies for the delay. Do you have more information on when in the code this TZ force is happening through the AQ force? Can I please see the code that does this logic? Are the EPWMs expected to go low with this AQ force? It would be good to see how this is getting cleared as well. [quote userid="571219" url="~/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/1494932/tms320f280049c-missing-cmpc-event-in-pwm-setup"]They have an issue that once they trigger an over voltage TZ （Via AQ Force pull）, the CLA task won't be triggered anymore.[/quote] Best Regards, Marlyn
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