[RE-wrenches] SB6000U Derating Mode

[Dave Tedeyan]

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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20151021/3efd0552/attachment-0001.html>