Sol-Ark › sensor and accessory pinouts (RSD 12 V, gen start, temperature)

PV stays off after low-battery shutdown, RSD transmitters dark

reported in the field

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

Symptoms

After the inverter shuts down on low battery, PV production stays at zero even in full sun and the battery never recharges
Tigo module-level transmitters were dark

The cause and the fix

Subscribers see the cause, the fixes that worked and who did them, part numbers and recent prices when a part is involved, and the field reports behind this entry.

Subscriber access is opening soon.