Latest posts
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Both units support CAN. Does that mean they will talk to each other?

No. CAN is the wiring and signalling layer. Closed-loop operation needs both units to agree on the message format on top of it, and that agreement is a per-pairing fact that only the manufacturer can confirm.
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Charge controller faults on cold mornings but was fine yesterday

Panel open-circuit voltage rises as temperature falls. A string sized against the rated 25C figure can exceed the controller’s input ceiling on the first genuinely cold clear morning, which is why the fault appears seasonally rather than immediately.