I'd like to be more specific:My guess is that the problem is not the car, but these 3 possibilities:
the utility: PG&E may be trying to restore power transmission lines due to the recent storms/floods in San Jose
the utility: the problems with Level 2 charging seem to happen during the week (so far), but not on the weekend (or is it coincidence)
the house circuits: (interference from another device--possibly the central heat) may be causing the charging problem.
Because PG&E are working on the power lines, anomalies on the line are adversely affecting the Blink charger.
Next week will add more data... or not.