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TMDSHVBLPFCKIT Bridgeless PFC EVM - Thermistor blow up when connecting 220v

Other Parts Discussed in Thread: TMDSHVBLPFCKIT

 I received the TMDSHVBLPFCKIT EVM, and followed the instructions to run the first experiments. I was able to connect to the board with the GUI without connecting the 220 AC. I then removed the 12v power supply, disconnected the GUI, and connected the 220v AC. The moment I switched the AC on, the Thermistor (RT1) blew up.

Has any one seen this happening ? Did I receive a defective part from TI ?  What other tests can I do to get this going ?

Any help is much appreciated !