It might be the new Hyundai App. Bluelink works perfectly well with the Ohme charger I have. I’ve heard of a few who have changed to the new app and found it troublesome, it wouldn’t be a huge shock to find it’s not working well either some chargers too.
I'm Autistic, if I say something you find offensive, please let me know, I can guarantee it was unintentional.
I'll try to give my honest opinion but am always open to learning.
Mark