I have a JuiceBox Pro 40 on a 30A circuit and I have the same issue. I thought that the 6A I saw occassionaly was due to the car throttling back when it gets close to 90% charge. I also see the JuiceBox go on every couple of hours for a couple of minutes. I didn't think either of things were an issue until lately when after a long charge the juicebox would beep quickly 4 times and than give a continuous long beep. This would continue until I unplugged it and replugged it in again. This instructions indicate that this might be an overheating issue.
Since my last issue with the juicebox I have installed the 2020.8.1 Tesla software and have not had the issue with the juicebox.since. Post bacl if your new juicebox fixed your issue.
Since my last issue with the juicebox I have installed the 2020.8.1 Tesla software and have not had the issue with the juicebox.since. Post bacl if your new juicebox fixed your issue.