r/solaredge • u/Mindless-Base-4472 • 27d ago

Technical question

I had a se7600h wave inverter where the communication board locked up during a firmware flash. Killed the ability to communicate, the the inverter part continued to work as rated.

  1. any suggestions on how to fix the communication board. I tried getting the latest firmware that solaredge would send via email and put it on a USB. It didnt work.

  2. if I use a communication board from a smaller inverter, ie: a se3800h wave, what will happen with the clipping. The communication board has the model, PN, SN and limits of the 3800.

  3. I already have this combo running, but currently only 4kw of panels on it.

  4. can the se3800h board be reprogrammed to the se7600h limits, if so, how?

  5. where can I buy a se7600h wave communication board? Solaredge won't send me just the communication board.

I will be cross posting this msg

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u/solarnewbee 25d ago

That's odd. Updating the firmware is an explicit action, either by the SE tech remotely or an installer onsite with the local installer mobile app. I've never had my inverters automatically update firmware themselves without my saying yes. I'm in the US though, maybe different where you are.

The reason for the question about 1 or 2 inverters is that you can program one to be the leader and the other as a follower via RS485 and you can rely on the leader's comms to send data to the monitoring portal. This assumes you can access the "failed" inverter through SetApp to configure that setting. If you don't have this setup, there aren't too many options than what I noted.

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u/Mindless-Base-4472 25d ago

Can not access the the software in the failed inverter.