Not sure what breaks them. They just start flashing red or go completely black. Also the charge port opener button seems quite crappy and breaks quickly for some reason.
I`ve had an electrician check my wiring, voltage etc. but everything seems fine at both charging locations I use.
To restart charging from the app is not possible, nor can I move the charging limit to restart charging. And of course, preheating draws only power from the battery unless I make sure the car is still charging when I start preheat. According to a few polls I`ve seen these problems are quite common in Norway, and most Model S buyers have them! Tesla blames the norwegian grid and/or user faults even though no other EV sold in Norway have these problems. Unbelieveable. Not very fun inserting the charge cable and get "charge cable error" with one mile range left, but 10-15 attempts made charging start.
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People report problems both with and without the newest update (I haven`t installed it yet), so it doesn`t seem to fix anything.