W31 + F21 errors
Hi,
Can anyone shed some light (excuse the pun) on these 2 errors? It’s happened a few times over the last few days. System has been running without issue for 18 months. All cables seem fine, and system operates perfectly the rest of the time. Thanks
8kW 3 phase Sunsynk inverter
2 x 5.32 Sunsynk batteries
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