Victron error code 12
Config mismatch with 2nd microcontroller (VEConfigure settings not stored identically in both MCUs)
What to check, and in what order, is in the app. A step-by-step flow walks this code with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- VE.Bus Error Codes (official)Victron Energy
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