Charge timer causes chargemaster to fail

[pjchiverton]

Hi all - first post so hope this is ok.

Our Leaf 2018 model has been charged at home with our Chargemaster unit with almost no issues since 2018. We recently changed our electricity contract to get cheap electricity overnight and this was working well, using the Leaf timer to charge the car between midnight and 5am. You can tell the leaf is waiting for the time to start charging as it cycles through the blue lights above the bonnet, and then commences charging.

Last Wednesday we had a power cut at home (car was not attached at the time), for about 15-20 mins, and when it returned, trying to charge the car using the timer, the cad cycles the lights (as expected) but only for about 5 mins and then stops. I tried bouncing the Chargemaster with no success. However it will charge if you disable the timer in the leaf and just plug in the charging cable.

Any idea what we can do to resolve this?

Thanks

 

[cornbinder89]

If your talking about the blue light in the center of the dash, they don't stay cycling all the time, they run for a few minutes then shut down, until the timer start charging then the blink as the charge progresses, starting with one blue light and progressing to the next, the 1st will burn steady, and the 2nd will flash, then the third will flash and the 1st 2 burn steady until the timer shuts it off or the battery reaches full.
If however, you are talking about lights on the Chargemaster, I can't help there, I don't have one.

 

[Stanton]

Last Wednesday we had a power cut at home (car was not attached at the time), for about 15-20 mins, and when it returned, trying to charge the car using the timer, the cad cycles the lights (as expected) but only for about 5 mins and then stops. I tried bouncing the Chargemaster with no success. However it will charge if you disable the timer in the leaf and just plug in the charging cable.

The process of elimination would suggest something happened to your Chargemaster during the outage (probably lucky the car wasn't connected). I suggest trying a different EVSE (same configuration) and see if you get the same result. You can even do a "test" at a public charger (but you need to know for sure it's "good").

 

[pjchiverton]

The process of elimination would suggest something happened to your Chargemaster during the outage (probably lucky the car wasn't connected). I suggest trying a different EVSE (same configuration) and see if you get the same result. You can even do a "test" at a public charger (but you need to know for sure it's "good").

If your talking about the blue light in the center of the dash, they don't stay cycling all the time, they run for a few minutes then shut down, until the timer start charging then the blink as the charge progresses, starting with one blue light and progressing to the next, the 1st will burn steady, and the 2nd will flash, then the third will flash and the 1st 2 burn steady until the timer shuts it off or the battery reaches full.
If however, you are talking about lights on the Chargemaster, I can't help there, I don't have one.

Thank you very much. I've only recently started using the car timer and hadn't notice it stopped the cycling flashing after a few mins so maybe panicked unduly. I have retested and all is well.

Only had the car six years and still learning .