Sol-Ark › parallel RJ45 ports and Modbus addressing

Paralleled inverters show F29 or F46

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

A paralleled system logs F29 Parallel_Canbus_Fault or F46 Battery_Backup_Fault (cannot communicate with other parallel systems)
Other units log F41 when one faults
A single unit left with the parallel setting enabled shows F29 until it is cancelled
On the 30K/60K W32 warns of packet loss

Alerts and codes

F29F41F46W32

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.

Manufacturer documents

15K Installation Manual Rev 13 16July2026
30K 3P 208V Installation Manual Ma 00027 Rev6 25Au