Great timing on this thread — I had the exact same gremlin with my SP04S020 last autumn.
What finally cracked it for me was checking the short circuit release delay in the JBD app, which is...
I've been running a small off-grid setup at my place in rural Wales for about 18 months now — 800W of solar, a Victron SmartSolar 100/30 MPPT, and a 200Ah LiFePO4 battery bank.
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