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*From:* RE-wrenches *On
Behalf Of *Dave Tedeyan
*Sent:* Saturday, December 18, 2021
Hi Mac,
Might I ask what modules these are connected to? There is some history here
with Sunpower modules (and possibly other high power, high voltage
modules). In these cases the issue is the module. If that's the case I can
provide some more detail about it.
As for remote resetting, it is actua
I haven't seen many, but every one I've seen has been a melted MC4
connector.
Jason Szumlanski
Florida Solar Design Group
On Sat, Dec 18, 2021, 3:21 PM Jerry Shafer wrote:
> Over the years every SMA arcfault has been real, l am also not saying
> hazard, well, AC, welding, all creat Arc noise in
Over the years every SMA arcfault has been real, l am also not saying
hazard, well, AC, welding, all creat Arc noise in the system and it can be
from a normal contactor arc. I have also seen AM arc faults caused by
defective or knock off MC connectors, in adequately stripped wires that
result in th
Hi Wrenches,
I have spent this last week clearing arc faults on SMA inverters. There
never appears to be a true arc event, just the occasional event and then
lockout.
What is the best approach to fix these tripping inverter issues? Is there
a way to decrease the sensitivity? Any procedures tha
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