Submitted by skappag on Mon, 2018-11-05 17:13
Sorry if its double post.. I tried posting couple days ago but did not see my post.
I got 14-50 Nema outlet installed in my garage to charge my Model 3. Few days ago I got my Model 3 and charging has been a nightmare.
In short: While charging, the outlet trips 4 times before it works fine. I have to reset every 10 minutes when it trips.
Outlet was installed by Tesla recommended electrician (Gunnar Electric, MN) where the electrician installed 50 amp circuit breaker and ran conduit across the other side of garage. Main panel is in garage and the house is relatively new (2014 construction). I used to have electric water heater which was converted to gas and the electrician used that 50 amps to run the wires. I have tried reducing amps to 30, 24 and 10 but the problem persists. Called electrician who promptly sent a guy to check it out.. the guy came and thought it was a bad circuit breaker.. replaced it with a new one (150 amps eaton circuit breaker). But the problem did not go away. The electrician checked out everything including thermal heat on the wires. He did not find any other faults.
I am at loss... every time I drive around and come back home to charge, it trips every 5-10 minutes for 4 times and then it works fine until unplugged. Unplug, drive and come back, same problem. The electrician thinks I may need Tesla Wall connector but will it work? I have already spent $800 on this electrician (install). Tried at 10 pm when nothing else runs in the house and I have same issue of tripping 4 times. what gives? Talked to Tesla rep, told him the situation and he mentioned its electrician stuff and nothing with the car.
Any pointers/suggestions on how to proceed with this problem? Weird it works after 4 trippings (load is balanced at that point)