1249 External Communication Error (Battery) (en)
1. Check whether communications cables between inverter and battery are properly connected.
2. Check whether length of communication cable exceeds upper threshold (shielded twisted pair with drain wire).
3. Restart the battery.
4. If fault still exists, contact the distributor or FoxESS support.
This article is based on official FoxESS technical documentation. For detailed manufacturer guides, please visit the FoxESS Support page.
2. Check whether length of communication cable exceeds upper threshold (shielded twisted pair with drain wire).
3. Restart the battery.
4. If fault still exists, contact the distributor or FoxESS support.
This article is based on official FoxESS technical documentation. For detailed manufacturer guides, please visit the FoxESS Support page.