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LEAFer
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Fall out -- Some Blinks being current-limited

Thu Mar 28, 2013 3:57 pm

Fall out from this thread: Blink / Rav4 Blows Out a Contactor Pin (with gory pics)

I just found this: http://www.teslamotors.com/forum/forums ... k-chargers" onclick="window.open(this.href);return false;

which in part says:
We reset the commercial units in the Phoenix area to 16 amps down from 30 amps. We have had several complaints of cord sets heating up and vehicles stopping a charge session after 30 to 50 minutes. Most of these involved the new Honda FIT, 1 RAV4 and 1 Ford Focus. We are looking into the problem but until we understand what is causing this issue the decision was made to turn down the amperage from 30 to 16 amps on commercial units. If he plugged in to a unit then it is normal that he only pulled 17 amps. Until we understand why some vehicles on some units are generating so much heat in the power pins we want to insure there is no way the vehicle connector can be damaged or in your case the adapter cable connector. While we have a couple of thousand charge session with the Tesla with no heat issues the problem is we do not know what vehicle is plugged in at the time so we have to limit current for everyone.

Best Regards,

Shawn Marie Hess

Blink Network Contact Center
2011 Silver SL+QC [Mfg: 11/2010] 36mo/15k LEASE
06Jun2013 Status [28.5 months][34,173 miles][11 bars]
Lost CapacityBar 6/6/13 @34,173 miles while in LEAF Battery Monitor: 83.41%, 71.4F (avg); cool overnight;

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Ingineer
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Re: Fall out -- Some Blinks being current-limited

Thu Mar 28, 2013 4:13 pm

Great solution, Ecotality!

I wonder if they are planning on downgrading the residential units also?

-Phil
Easily Learn Electricity HERE! - - - - Website: http://evseupgrade.com/[/size] - - - - Like us on Facebook: EVSE Upgrade

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EVDRIVER
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Re: Fall out -- Some Blinks being current-limited

Thu Mar 28, 2013 4:19 pm

Classic! Denial then derating. I hope they are reducing charge costs as well. I can't wait to see how they screw with the Charge Point equipment rates and the like. :roll:

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davewill
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Re: Fall out -- Some Blinks being current-limited

Thu Mar 28, 2013 4:21 pm

It's a reasonable temporary response if they aren't going to get them fixed pronto. As a permanent solution it sucks big time. This whole pretending they don't know what the problem is is just stupid, however.
2014 Rav4 EV, Blizzard Pearl White
2011 LEAF SL w/QC, Blue Ocean, returned at end of lease

GaslessInSeattle
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Re: Fall out -- Some Blinks being current-limited

Thu Mar 28, 2013 4:32 pm

ours is off contract and no longer connected to the grid thankfully, we'd be screwed if they cut us in half, charging two cars, at least until the HPWC arrives. there is no noticeable heat with our Blink even after charging the Tesla for 15+ hours so it seems like we have a good fit.
Ingineer wrote:Great solution, Ecotality!

I wonder if they are planning on downgrading the residential units also?

-Phil
Gasless: Silver 2012 SL, traded in for Lease on 1/13
Tesla S P85, Gray, pano, carbon fiber, took delivery: 2-9-13... LOVE this car!
9.8 kW PV Solar installed 9/12, http://www.westseattlenaturalenergy.com" onclick="window.open(this.href);return false;

GaslessInSeattle
Posts: 1566
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Re: Fall out -- Some Blinks being current-limited

Thu Mar 28, 2013 4:34 pm

EVDRIVER wrote:...I can't wait to see how they screw with the Charge Point equipment rates and the like. :roll:
Seriously! the quasi merger worries me.
Gasless: Silver 2012 SL, traded in for Lease on 1/13
Tesla S P85, Gray, pano, carbon fiber, took delivery: 2-9-13... LOVE this car!
9.8 kW PV Solar installed 9/12, http://www.westseattlenaturalenergy.com" onclick="window.open(this.href);return false;

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LEAFer
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Re: Fall out -- Some Blinks being current-limited

Thu Mar 28, 2013 4:54 pm

Not trying to defend Blink :roll: but a later entry (3/19/13) in the link I referenced in the OP reports:
Tom & Cathy | March 19, 2013

Here's an update from Blink:

As part of a routine test, select Blink charging stations were set below 30 Amp. That test is completed, and except for a few isolated chargers, are all back to 30 A.

That's rather a departure from "all of our stations have been adjusted down to 17A."
I wonder what the "routine" :roll: "test" consisted of ?? And I wonder where and how many they consider "a few isolated chargers[sic]" [EVSEs] that remain "stuck" at less than 30A ?

In any case ... I found it odd not to have heard about any of this from any source other than Tesla drivers -- and belatedly too -- although admittedly pre-2013 LEAF owners would not notice the reduction in control pilot ...
2011 Silver SL+QC [Mfg: 11/2010] 36mo/15k LEASE
06Jun2013 Status [28.5 months][34,173 miles][11 bars]
Lost CapacityBar 6/6/13 @34,173 miles while in LEAF Battery Monitor: 83.41%, 71.4F (avg); cool overnight;

pchilds
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Location: SoCal

Re: Fall out -- Some Blinks being current-limited

Thu Mar 28, 2013 5:13 pm

They turned down my blink to 16 amps, when I time told them I got a RAV4.
2011 LEAF, gone,
2012 RAV4 EV,
2015 Model S 85D,
Solar PV 5.25 kW system.

Reddy
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Re: Fall out -- Some Blinks being current-limited

Thu Mar 28, 2013 6:05 pm

How do they turn these down? Is this a software push or did they have to physically inspect/modify each unit?
Reddy
2011 SL; 9 bar, 45.80 AHr; 45,000 mi; rcv'd Aug 18, 2011
Long: http://www.mynissanleaf.com/viewtopic.p ... al#p226115"
Cold: http://www.mynissanleaf.com/viewtopic.p ... 60#p243033"

smkettner
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Re: Fall out -- Some Blinks being current-limited

Thu Mar 28, 2013 6:39 pm

What is magic about 16? Why not 20 or 10? Yes I know it is just a preprogrammed jumper :|
1 bar lost at 21,451 miles, 16 months.
2 bar lost at 35,339 miles, 25 months.
LEAF traded at 45,400 miles for a RAV4-EV
RAV4 traded in for I-Pace Dec 2018

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