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Have you checked that the 6 isolated supplies are all getting about 23.5v or whatever? Also, have you loaded the .hex file with the #define DEBUG uncommented? That's a good way to verify that the PWM signals from all 6 drivers are making it through to the other side. Make sure the current sensors are also facing the arrow pointing away from the IGBTs. I'll check your picture in a sec to check that if I can.
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