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Renault Zoé ZE50 (on order)
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Electric filter?



I would politely suggest that "your dealer" is not providing you with appropriate service and that you should look elsewhere, regardless of their "Renault" status. Like Nissan, there are only a handful of dealers that know about EVs and you clearly are paying them whilst they learn and charge you premium prices.
This. While it is not quite unique to the automotive world (ICE included), the idea of "we'll try this but if it doesn't work you still have to pay for it and then we'll try something else" is really absurd for technology. It's the norm in healthcare (SOMEONE pays to try regardless of country/system) but that makes a bit more sense.

For technology, tools and knowledge are available to definitively determine the source of a fault. It takes time to go through these steps, which I reluctantly admit should be compensated, but parts? No, there's no excuse for that. Any part that is built and leaves the factory is QA-tested to make sure it is doing what it is supposed to do. Under load, stress, or whatever. So us being offered "well we'll try that but if its not that you still have to keep the new part" really shouldn't be accepted. The part didn't fix the problem? Take it back out, put the original back in, sure charge for the labour out of warranty but it should end there.

I've been both a "car dealer" and a "driver" in the television production world, and I'd have never charged a customer for a part that didn't fix the problem when I was on the "dealer" side and expect the same from the "driver" side now that I'm back in that world.
 

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Speak, Eevee!
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Subject to towing costs it could be worth trying to get it transported to DSG in Morecambe, who are a (rare?) gem of a Renault dealer who do know what they're doing IMO as they've taken the forward thinking approach of specialising in the Zoe. Like really specialised in it - you drive past all the charge points they've scattered across the wall now and see loads of Zoes. They are an official Renault dealer with prices that are largely set by Renault so it still wouldn't be cheap without warranty, but I'm pretty confident they would find what the problem is without the "throw lots of things at it and see what sticks" approach, and if there was any degree of trial and error then it'd be genuinely impossible to know rather than inexperience. It's possible of course that the existing dealer has come to the correct conclusion and the correct price on the Renault job list, but it's an option.

Another option is these guys, it's just that I don't have personal experience with them (it's all been with DSG and I have extended warranty) but as they're independent they should be cheaper and they seem pretty well regarded, when you think "HEVRA garage" this name always seems to come to mind Cleevely Electric Vehicles | Electrical Vehicles | Gloucestershire
 
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ID3 Life
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^^^^^^

it may be worth a phone call to the above to see what they think. If nothing else you could ask what an electric filter is.
 

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Discussion Starter · #105 ·
Correction to my description Electric Filter. It is called a CHARGING FILTER. from what I’m reading, this is becoming a regular fault on the Zoe, with Renault blaming public charging points and refusing to replace this £2000 part on warranty. My Zoe has never been charged on any charger other than the home charger installed on the recommendation of my Renault deale.
 

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Hi do you have a multimeter by any chance? If so you could check for continuity between the N and L3 pins on the charge port? Sometimes one of the internal relays can get stuck.

There are also some good independent ev garages around, what area are you in?

Cheers.
 

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Discussion Starter · #107 ·
Hi do you have a multimeter by any chance? If so you could check for continuity between the N and L3 pins on the charge port? Sometimes one of the internal relays can get stuck.

There are also some good independent ev garages around, what area are you in?

Cheers.
It’s gone way past that stage Gary, if you read back on this thread, you’ll see it’s been to an EV indie but he bottled out because if it needed a charging filter, Renault where making it difficult for him to get the parts. So it’s with the main dealer in Milton Keynes, who after running a 3hour electronics program, they think it could be the charging filter.
 

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ID3 Life
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I don’t actually know what a charging filter is but from its name I assume it’s there to protect what is further downstream from supply variations, external power faults and or surges, and if that is indeed the case you’d think it would be designed to withstand such issues itself 🤔 If it‘s lifed, such as a surge protector, it should be designed to indicate when it is no longer functioning.

I may, of course, be incorrect and that’s not what it’s for at all.
 

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LEAF N-TEC 62KW
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I don’t actually know what a charging filter is but from its name I assume it’s there to protect what is further downstream from supply variations, external power faults and or surges, and if that is indeed the case you’d think it would be designed to withstand such issues itself 🤔 If it‘s lifed, such as a surge protector, it should be designed to indicate when it is no longer functioning.

I may, of course, be incorrect and that’s not what it’s for at all.
Clearly the charging filter needs protecting with a filter. But I cannot see the filter being massively complex and no way should it cost £2000. Probably a common mode LC filter + 3 transient suppressors (L-N, L-GND, N-GND). (if one of the latter two is leaking to ground this would trip an rcd/rcbo.)
 

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Discussion Starter · #110 ·
Clearly the charging filter needs protecting with a filter. But I cannot see the filter being massively complex and no way should it cost £2000. Probably a common mode LC filter + 3 transient suppressors (L-N, L-GND, N-GND). (if one of the latter two is leaking to ground this would trip an rcd/rcbo.)
The perils of being held in a captive market, no proper under the arches mechanics up to speed on repairing EVs, even the one approved indie I have in Milton Keynes, bowed out after diagnosing what he thought was going to be a charging filter change. First he could not guarantee that was the fault, second Renault where being awkward about supplying the part. ( Then again the main dealer is of the same mindset) change it on block, see what happens. Can’t see an ICE mechanic getting away with wanting to change a gear box because the gear lever have come off.
 

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LEAF N-TEC 62KW
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The perils of being held in a captive market, no proper under the arches mechanics up to speed on repairing EVs, even the one approved indie I have in Milton Keynes, bowed out after diagnosing what he thought was going to be a charging filter change. First he could not guarantee that was the fault, second Renault where being awkward about supplying the part. ( Then again the main dealer is of the same mindset) change it on block, see what happens. Can’t see an ICE mechanic getting away with wanting to change a gear box because the gear lever have come off.
There is an opportunity for electronic engineers to specialise in EV electronics repairs and I expect they will be springing up in time and courses will be available. (HEVRA may offer some eventually)
 

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Zoe ZE40 R90
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There is an opportunity for electronic engineers to specialise in EV electronics repairs and I expect they will be springing up in time and courses will be available. (HEVRA may offer some eventually)
Just like ECU remapping. When engines started to be "computer controlled" it was a Black Art - now there are numerous firms offering the service on your drive.
 

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LEAF N-TEC 62KW
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Just like ECU remapping. When engines started to be "computer controlled" it was a Black Art - now there are numerous firms offering the service on your drive.
Yes, I often heard complaints from old school motor engineers used to carbs and hating electronic engine management. Most of them will be turning in their graves if they saw the electronics in an EV, even if it is generally reliable and works impressively well.
 

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Discussion Starter · #114 ·
Well what a result, :)we have just had a call from Renault customer care, saying they are going to cover the complete cost of the repair to our little Zoe. When you think the cost is going to be in the region of £2500, I can only say “thank you very much”(y) all I have to do now is get the dealership to get on with the repair.
 

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ID3 Life
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Yeah that is a result and I’m well pleased for you, but man it’s so irksome that you have to fight so hard to get to this point. But hey, we take our victories where we can and I can only imagine how relieved you must be.
 

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LEAF N-TEC 62KW
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Perhaps Renault customer care have spotted this thread and decided they'd rather foot the bill, receive some praise than suffer reputational damage.
 

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That’s a great result. Sorry I’ve missed an earlier post on my phone, but how old / many miles is your car?
 

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Speak, Eevee!
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Brilliant, well done
 

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Discussion Starter · #120 ·
Another update: well the Zoe has been off the road now for 2 months, been at the dealership for 6 weeks. I phoned today to see how things are getting on and they said that the part required (charging filter) is now in France (I wonder were the part is manufactured) and should be with them by next Thursday. So at least an other 2 weeks before I see, hopefully the return of our Zoe.
If it takes this long to repair an electric car, we have along way to go before we can say electric is the normal mode of transport !! Still looking on the bright side Renault have said they will pay for the repairs. Cost us £100 for battery lease that we have not been able to use though.
 
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