Date: Wed, 27 Apr 2022 12:08:24 -0400
From: Dave Tedeyan
To: RE-wrenches
Subject: [RE-wrenches] SMA Rapid Shutdown and Secure Power Supply
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Hi All,
The last SMA-41 inverter I commissioned, had the option for SunSpec rapid
shutdown with Secur
Kienan:
Thanks for your response. All firmware was the latest.
I think I figured it out. I swapped out the Mate3S and the problem appears
to be resolved. The defective Mate was only about 6 months old. No one
knows why or how the Mate3s caused the problem.
Thanks to all who tried to help.
Willi
I've seen something similar if there was a firmware mismatch... the mate3s had
a newer firmware and the inverters had an older firmware. As was stated before,
make sure that everything has the latest firmware.
Otherwise, I wouldn't know where to go after that.
Cheers,
Kienan
Maxfield Solar
ma
Hi All,
The last SMA-41 inverter I commissioned, had the option for SunSpec rapid
shutdown with Secure Power Supply. I just talked to a level one tech who
was not particularly familiar, but told me that with a sunspec rapid
shutdown device like the JMS-F, you can still use the Secure Power Supply
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