Sol-Ark › GEN port and two-wire generator start relay

Generator shows 0 Hz or F60, never accepted

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, 30K-3P-208V, 60K-3P-480V

Symptoms

The inverter shows the generator's voltage but reads 0 Hz, logs F60 Gen_Volt_or_Fre_Fault, or connects and drops the generator repeatedly
A 5K charging a 14.4 kWh HomeGrid bank from a 4,500 W / 3,650 W Champion generator on the grid input clicked the generator off during charging and reconnected about 30 seconds later, over and over
On a fleet of nine Deye hybrids that had been working normally the inverters stopped seeing generator frequency until each was flashed locally

Alerts and codes

F60Generator setup is reading 0 Hz

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.

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Manufacturer documents

15K Installation Manual Rev 13 16July2026