Use this [link|https://www.youtube.com/watch?v=3Ut_iI4gsJ4|video|new_window=true] to unmount the grinder, it´s rather easy. (Perhaps you can borrow a [link|https://www.juraprofi.de/Ersatzteile-fuer-Saeco-Kaffeevollautomat/SUP014-Royal/Mahlwerk.html?ts=13_940_13|grinder|new_window=true] anywhere for a test, most grinders from Saeco are equal. One possibility, of course, is a damaged [link|https://www.juraprofi.de/Saeco-Ersatzteile/Magic-Royal-Stratos/Mahlwerk/Motor-fuer-das-Saeco-Mahlwerk-neu::6247.html|grinder motor|new_window=true].) Things come easier, when you use the testmode: sorry I have only [link|http://www.m-landmann.eu/royal3.htm|guides in german|new_window=true]. To do so shut the device off. Press the two buttons for espresso and water simultaneously and switch the device on. The display shows strange looking numbers. Press the button for espresso and the grinder should work. Then you can measure the voltage on the two wires, should be 230 V AC when working (Caution!!). If there is no such voltage, it might be an issue with the corresponding [link|https://www.jura-ersatzteile-shop.de/triac-t435-600t-4a-600v-fuer-die-jura-leistungselektronik-3611|triac|new_window=true] T10 on the main board. You probably will replace it. I wish you success!
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Use this [link|https://www.youtube.com/watch?v=3Ut_iI4gsJ4|video|new_window=true] to unmount the grinder, it´s rather easy. (Perhaps you can borrow a [link|https://www.juraprofi.de/Ersatzteile-fuer-Saeco-Kaffeevollautomat/SUP014-Royal/Mahlwerk.html?ts=13_940_13|grinder|new_window=true] anywhere for a test, most grinders from Saeco are equal. One possibility, of course, is a damaged [link|https://www.juraprofi.de/Saeco-Ersatzteile/Magic-Royal-Stratos/Mahlwerk/Motor-fuer-das-Saeco-Mahlwerk-neu::6247.html|grinder motor|new_window=true].) Things come easier, when you use the testmode: sorry I have only [link|http://www.m-landmann.eu/royal3.htm|guides in german|new_window=true]. To do so shut the device off. Press and hold the two buttons for espresso and water simultaneously and switch the device on. The display shows strange looking numbers. Press the button for espresso and the grinder should work. Then you can measure the voltage on the two wires, should be 230 V AC when working (Caution!!). If there is no such voltage, it might be an issue with the corresponding [link|https://www.jura-ersatzteile-shop.de/triac-t435-600t-4a-600v-fuer-die-jura-leistungselektronik-3611|triac|new_window=true] T10 on the main board. You probably will replace it. I wish you success!
Use this [link|https://www.youtube.com/watch?v=3Ut_iI4gsJ4|video|new_window=true] to unmount the grinder, it´s rather easy. (Perhaps you can borrow a [link|https://www.juraprofi.de/Ersatzteile-fuer-Saeco-Kaffeevollautomat/SUP014-Royal/Mahlwerk.html?ts=13_940_13|grinder|new_window=true] anywhere for a test, most grinders from Saeco are equal. One possibility, of course, is a damaged [link|https://www.juraprofi.de/Saeco-Ersatzteile/Magic-Royal-Stratos/Mahlwerk/Motor-fuer-das-Saeco-Mahlwerk-neu::6247.html|grinder motor|new_window=true].) Things come easier, when you use the testmode: sorry I have only [link|http://www.m-landmann.eu/royal3.htm|guides in german|new_window=true]. To do so shut the device off. Press the two buttons for espresso and water simultaneously and switch the device on. The display shows strange looking numbers. Press the button for espresso and the grinder should work. Then you can measure the voltage on the two wires, should be 230 V AC when working (Caution!!). If there is no such voltage, it might be an issue with the corresponding [link|https://www.jura-ersatzteile-shop.de/triac-t435-600t-4a-600v-fuer-die-jura-leistungselektronik-3611|triac|new_window=true] T10 on the main board. You probably will replace it. I wish you success!