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Re: [RFI] Solar Panel RFI Video

To: "Dave Cole (NK7Z)" <dave@nk7z.net>
Subject: Re: [RFI] Solar Panel RFI Video
From: David Eckhardt <davearea51a@gmail.com>
Date: Sun, 15 Jul 2018 00:13:49 +0000
List-post: <mailto:rfi@contesting.com>
*Understand.  But they are giving the FCC the finger.  There ARE
regulations to which they are legally obligated to conform.  They are
breaking the law.  That simple!*

*Dave - WØLEV*

On Sat, Jul 14, 2018 at 11:51 PM, Dave Cole (NK7Z) <dave@nk7z.net> wrote:

> Hi Dale,
>
> It actually might be cheaper to do just, fly an engineer out to a few RFI
> events to create a service bulletin.
>
> Lets say the vendor sells a thousand of these PV systems each year, (and I
> bet is is quite a bit more), if each one takes two ferrites, and one hour
> of time to install, that is say-- 10 bucks in ferrites, and 10 bucks in
> installer time, or 20 bucks per system.
>
> If they sell a 1000 of these a year, that is 20K a year they save by not
> installing RFI suppression on every system as it leaves the factory.  A
> good business decision.
>
> Once the engineer gets a fix, and puts it in writing, making it a service
> bulletin when RFI is reported, it will be a lot simpler, (read that as
> cheaper for the vendor), for the install tech to do it next time someone
> gripes about RFI...
>
> It will also be a lot better for us, as the installers can suddenly fix
> the RFI sooner than later, which is a LOT faster than flying anyone out to
> do anything...
>
> This in fact is probably a very good business decision to have the
> engineers fly out and get hands on with actual RFI event and meet an actual
> Amateur operator.
>
> I am sure that is why the engineers are flying out-- to see the actual
> issue as it happens.  This means that the vendor has put a high priority on
> fixing RFI, and is willing to spend some money to fix it.  This is great
> news for us!
>
> This by the way, is a very good bit of customer service by the vendor. We
> need to be very thankful that they are not dragging things out as say--
> W6WBJ has done.  The vendors could do just that, and they are choosing not
> too, they are choosing to help us in this...  Even though the vendor is
> responsible for the RFI, they are still our friends.
>
> As much as I like the idea of having every solar PV system have RFI
> suppression installed from the get-go, that is simply not going to happen--
> period.  No matter how mad we get, no matter how loud we carp about RFI,
> the vendors are simply not going to do that.
>
> It is far cheaper to correct the relatively few problems the Hams report
> than to proactively fix every system as it leaves the factory.
>
> We MUST maintain a good relationships with the vendors that take the time,
> and money to fly out engineers to solve a problem that for them, is nothing
> more than a costly pain in the ass.  They are helping us by listening to
> and responding to our problems.
>
> We need to support the vendors that help us removed RFI issues by sending
> high cost engineers across the country to make an RFI issue go away...
> They could always just ignore the issue and not help...
>
>
> 73s and thanks,
> Dave
> NK7Z
> https://www.nk7z.net
>
> On 07/14/2018 01:14 PM, Dale Johnson wrote:
>
>> I should think it would be a good practice for this company to fix their
>> installation procedures so they don’t have to fly an engineer out to fix
>> things.  Seems like a poor way to run a business.
>>
>> Dale, K9VUJ
>>
>>
>>
>> On 14, Jul 2018, at 14:34, Tony <dxdx@optonline.net> wrote:
>>
>> On 7/14/2018 2:43 AM, Randy Standke wrote:
>>
>>> Most of the SolarEdge house rewire jobs I have had around me solved the
>>> problem on the first attempt.  One took about four visits before it was
>>> finally solved.  On that final visit an engineer from SolarEdge came out.
>>> He discovered that they missed a couple of the optimizers.  Even one
>>> unfiltered optimizer will cause RFI 100s of feet away.  So, keep after
>>> them
>>> since they probably missed at least one optimizer.
>>>
>>> Randy:
>>
>> I've been in touch with Solar Edge field tech Tom Simpson who will be
>> flying in from the west coast to inspect the work. He thinks the installers
>> missed something which, as you mentioned, isn't the first time this
>> happened. He tells me he's handled many cases and said the noise will be
>> gone once he finds the issue.
>>
>> Will keep you posted.
>>
>> Tony -K2MO
>>
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-- 

*Dave - WØLEV*
*Just Let Darwin Work*
*Just Think*
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