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EVAL-AD7134 Power Up Checkup failed

Category: Hardware
Product Number: EVAL-AD7134FMCZ, AD7134

Hi, 

I am using a EVAL-7134FMCZ and removed one AD7134 (Device 0) from it and connected a self designed sensor board with an AD7134 to it.

Now I am confused that the board can sometimes work with the Evaluation Software and sometimes I get a "Power Up Checkup Failed" message and can't connect.

Is there a certain startup sequence that the SDP-H1 Controller Board needs? Because I tried out different sequences of my board and the evalboard, but couldn't figure out.

It seems to be very random if it works or not, but I checked connections and they seem to be fine.

BR David