SMA with ground fault signal [RE-wrenches]

Ron Schroeder ron at 112motors.com
Wed Jul 9 09:15:53 PDT 2003


Hi Daryl,

The fuse could possably have just "failed".  Also, with long runs from 
the PV, you can get some capacitive coupling between the PV+ and ground 
(conduit) that could possably blow the 1 amp fuse when DC disconnect 
switch is first turned on.

Ron

Darryl Thayer wrote:
> 
> HI everyone. 
> I am on the road 4 hrs drive from office, and will
> stop at a site before returning to office.  I have a
> customer complaint on SMA with "ground fault"
> indicated on display, and no grid contrabution.  What
> experiances have other had? Thanks I will be at this
> site for 2 more days before heading back to my office
> and stopping at the SMA site.  
> 
> Thanks for your help.
> 
> Daryl 
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