iluvmacs wrote:Does anyone ever have trouble with their Schneiver EVLink (first generation) not connecting to their Leaf? About once a week, when I connect our Leaf to our EVLink at home, it starts to connect like usual... flashes the green light on the EVSE & blue lights on the dash a couple times... but the EVLink never activates the connection (no relay closure), and the Leaf never beeps. They both stop flashing and just sit there like nothing ever happened. If I then just tap the trigger on the J1772 connector once (briefly interrupting the pilot signal -- effectively unplugging and replugging it), it suddenly completes the connection and goes on like nothing was wrong. Does this happen to anyone else? I've never had it happen on any other EVSE, but that sample size is considerably lower. The couple other Leaf owners I know with an EVLink say it doesn't happen to them. So... EVLink issue, or car issue? It's done this the entire time I've owned them.
Are you 100% sure the charge handle is fully latched? You should see the release button pop fully up when it latches. If for any reason the switch doesn't close properly, the car will not acknowledge the pilot properly and charging will fail to start. This is the most commonly seen charging fault, by far.
That had been what I first suspected. As far as I can tell, it is engaging. If it's in that "limbo" state, I can't pull it out, and the button does appear to be all the way popped up. When I "resqueeze" it to make it work, I can feel the switch click open and closed. I suppose it's still possible the microswitch is faulty...?
Perhaps the most interesting aspect of this is that under normal connection procedure, there is a few second delay between plug-in and relay closure. Under the failed attempts, it goes through the few seconds of delay just before "giving up", and then when I "resqueeze", it connects *immediately*. It's like there's a state machine timing issue.
Why does the Schneider unit have this few second delay during connection, and no other EVSE I've used does this? Or is that the whole problem here? I have a second EVLink at our vacation home... it has the same delay. I don't think I've seen it fail to connect, but I've also only used it like 10-15 times, so I don't have a big sample size.
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