[RE-wrenches] Outback Programming Ghost

[William Miller]

Ray:

I have no reason to believe anyone has been meddling. No one knows the password. It does look like some serious glitch. 

William

> On Nov 10, 2016, at 6:25 PM, Ray Walters <ray at solarray.com> wrote:
> 
> It almost sounds like someone got in there and tried to reprogram stuff themselves.  Have you installed the proper anti-Gremlin devices?
> R.Ray Walters
> CTO, Solarray, Inc
> Nabcep Certified PV Installer, 
> Licensed Master Electrician
> Solar Design Engineer
> 303 505-8760
>> On 11/10/2016 12:34 PM, William Miller wrote:
>> Colleagues:
>> 
>> I maintain an off-grid, 8 stack FX Outback system with 3 charge controllers.  The system has been on line for about 6 years.  It got upgraded about 7 months ago with 2 Mate3s.
>> 
>> About a week ago the system shutdown, leaving the customer without power.  A maintenance worker started a generator and power was restored.  I did not hear about the situation for several days.
>> 
>> A maintenance supervisor was dispatched yesterday to work with me over the telephone to see if we could restart the system.  The system would only run if the inverter output breakers were all off.  
>> 
>> I examined the system via Optics.  I was very surprised to           see that the system programming was absolutely scrambled.  This was so much so that even the stacking settings were wrong.  For example, inverter 2 was set as a Master, which we all know will crash any system.  Other settings were also found with very random values.
>> 
>> This system was running prior to last Friday, so the stacking at least must have been right prior to the outage.  I am completely mystified as to how this could have happened.  
>> 
>> I am in conversation with Outback who is taking this seriously.  I have not heard back from them yet but I am curious if anyone else has experienced this or anything similar.  I'd like to broaden my knowledge on this situation to enhance my understanding and to share any findings with the group.
>> 
>> Thank you in advance for any input.
>> 
>> William Miller
>> 
>> 
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