[RE-wrenches] Enphase failures

[Kirk Herander]

M190 (208) = 20 out of 113 have failed since Jan. 2010

I've said this before, but half of these failed inverters had water dripping
out of them, and they were installed at the top of a tilted (ballasted)
rack. So much for NEMA 6. And these failures are all on one system.

M190 (240) - 2 out of 300+
M210 (240) - 0 of 90
M215 (208) - 0 of 130
M215 (240) - 0 0f 70

The M215's are much beefier enclosure-wise. For obvious reasons, I'm
convinced the old M190 cases were sub-par. Enphase has never revealed, at
least to me, the result of their failure analysis on these inverters. 

-----Original Message-----
From: re-wrenches-bounces at lists.re-wrenches.org
[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of
matt at solar-energy-solutions.com
Sent: Sunday, July 15, 2012 11:32 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] Enphase failures

We installed 11 190s on our shop some two years ago.  Six of 11 have been
replaced since that time.  Another one had to be reset by Enphase. 
Admittedly early generation product but based on the record I have not been
offering to customers.

Matt


Matthew Partymiller
Solar Energy Solutions LLC
(859) 312-7456
matt at solar-energy-solutions.com


> 350+ installed, 5 replacements over a 2 year period (.02%). 1-190, 
> 350+ 4-215,
> 0-210 (we use Sanyo on many residential systems)
>
> accessibility built in to design is also a plus - not always possible, 
> but should be a factor when doing layouts.
>
> Holt E. Kelly
> Holtek Fireplace & Solar Products
> 500 Jewell Dr.
> Waco TX. 76712
> 254-751-9111
> www.holteksolar.com
>
> ----- Original Message -----
> From: "William Miller" <william at millersolar.com>
> To: "RE-wrenches" <re-wrenches at lists.re-wrenches.org>
> Sent: Saturday, July 14, 2012 12:49 AM
> Subject: Re: [RE-wrenches] Enphase failures
>
>
>> Troy:
>>
>> Of the 100 or so Enphase inverters we have seen 2 fail.  I have my 
>> fingers crossed.
>>
>> Wm
>>
>> PS:
>>
>> Xantrex GT:  About 15% failure
>> SMA SB:  About 15% failure
>> Fronius:  300% failure rate
>>
>> wm
>>
>>
>> At 01:02 PM 7/5/2012, Troy Harvey wrote:
>>>I'm wondering how many of you have had Enphase failures in the field.
>>>Basically every one of our sites with M175 or M190 has seen failures.
>>> Most
>>>of those are one their second wave of replacements. It appears these  
>>>have a linear failure rate in the field, and we have to replace 2 to 
>>>3 inverters at every site, every year.
>>>
>>>At this point we have stopped using Enphase products because the cost 
>>>of replacement is too high. You have to disassemble a whole array 
>>>just to replace 1 or 2 inverters. In theory it gives you per-panel 
>>>diagnostics, but that is just silly considering the panels are 
>>>thousands of times  more durable than the inverters.
>>>
>>>What is your experience?
>>>
>>>thanks,
>>>
>>>Troy Harvey
>>
>> _______________________________________________
>> List sponsored by Home Power magazine
>>
>> List Address: RE-wrenches at lists.re-wrenches.org
>>
>> Options & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>
>> List-Archive:
>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>>
>> List rules & etiquette:
>> www.re-wrenches.org/etiquette.htm
>>
>> Check out participant bios:
>> www.members.re-wrenches.org
>>
>
> _______________________________________________
> List sponsored by Home Power magazine
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> Options & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive:
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out participant bios:
> www.members.re-wrenches.org
>
>




_______________________________________________
List sponsored by Home Power magazine

List Address: RE-wrenches at lists.re-wrenches.org

Options & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

List-Archive:
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
www.re-wrenches.org/etiquette.htm

Check out participant bios:
www.members.re-wrenches.org