Trying to update from an old version

You have very old maps on the unit, there’s a known incompatibility between the latest 3.0 builds and old maps.

Follow the “Sync 3.0.20204/23219 with EU 2.21 (F11) or EU 2.22 (F12) or EU 2.23 (F13)/EU 2.24 (F14) Map Installation” guide to update maps and report back.