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Sol-Ark › CT limit sensors

Grid HM reading negative, CT sensors backwards

manufacturer says

Applies to: 5K-1P-N, 5K-2P-N, 8K-2P-N, 8K-2P-L, 12K (first generation, 2019 to 2021), 12K-2P-N, 12K-2P-LL Limitless, 15K-2P-N, 15K-2P-LV, 18K-2P-N, 18K-2P-LV, 30K-3P-208V, 60K-3P-480V

Symptoms

In Limited to Home (Meter Zero) mode the Grid HM reading is negative while importing, Meter Zero does not track load, or Grid Peak Shaving misbehaves

The cause and the fix

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Manufacturer documents