[RE-wrenches] SB6000U Derating Mode

[Dave Tedeyan]

Thanks guys for the recommendations.
-Dave


*--*


*Dave Tedeyan*
*Project Engineer*

*Taitem Engineering, PC*
109 S. Albany Street, Ithaca, NY 14850
Voice: (607) 277-1118 x121
www.taitem.com

On Wed, Oct 21, 2015 at 6:38 PM, Jason Szumlanski <
jason at floridasolardesigngroup.com> wrote:

> I recently replaced a SB1800U with a refurbished model, but Solar Cowboyz
> did a good job of phone advice first, then bench diagnosis. It turned out
> to be electrolytic caps leaking onto the board and causing etching. You
> might get some help there. I found them competent, if not a little slow and
> difficult to deal with (slow service).
>
>
> http://www.shop.solarcowboyzoutlet.com/Inverter-Repair-Service-Inverter-Repair-Service.htm
>
> ​Jason Szumlanski
> ​
>
>
> On Wed, Oct 21, 2015 at 9:58 AM, Dave Tedeyan <dtedeyan at taitem.com> wrote:
>
>> Hi All,
>>
>> Is anyone familiar with the wiring in the old Sunny Boy U inverters? We
>> have got a call from someone who has one where the temperature sensor has
>> gone bad, and it is always in derating mode. It derates so much that it can
>> only produce about .1W, even if it is cool out.
>>
>> The inverter is located inside a barn, and has been cleaned. The inverter
>> is also past warranty.
>>
>> Anyone have any wiring diagrams for this kind of inverter? Or any
>> suggestions as to how to bypass the temperature sensor, or change the
>> programming so that it does not derate anymore? Anything would be useful,
>> as the alternative is to just get a whole new inverter.
>>
>> Cheers,
>> Dave
>>
>> *--*
>>
>>
>> *Dave Tedeyan*
>> *Project Engineer*
>>
>> *Taitem Engineering, PC*
>> 109 S. Albany Street, Ithaca, NY 14850
>> Voice: (607) 277-1118 x121
>> www.taitem.com
>>
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