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ADUM6403 output issue

Thread Summary

The user is experiencing an issue with the output voltage (Viso) of the ADuM6403, where the bench test results show identical Viso setpoints for both good and reject units. The support engineer suggests evaluating the user's circuit, requesting the schematic, capacitor values, and PC board layout. The user provided the schematic and capacitor details, and agreed to send a board with the problematic ADuM6403 for further analysis.
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I come back from this discussion:

https://ez.analog.com/interface-isolation/f/q-a/90563/problem-with-ouput-voltage-viso-of-adum6403/285878#285878 

We send 2 components which have the output issue and we receive the failure analysis report (number185019).

In the report, we do not understand some results. In the failure report, in section 7, we have the following table:

Serial Number           Viso Setpoint

Good                                 3.3V

Reject                                3.3V

Expected output                3.3V

Is there someone can explain why all three values are identicals?

Regards

Sebastien