Please make sure to orient the plug PCB correctly  on EMY with the white marking on the top:

Polyglot Kit Assembly Procedure

Assembly Manual :

https://docs.google.com/document/d/1YqtZGcR0a9y3dSaS41rJ2dpXWgq_nbGpbouSVJeHrYA/edit?usp=sharing

Quickstart manual: http://www.polaxis.be/download/kaiwa-quickstart-manual/

For more information, check the assembled Kaiwa

See the assembly manual