What it means
Battery cluster cell overtemperature alarm (level 3)
Cause: Cell maximum temperature > 60°C.
How to fix it
- Send faults externally, limit power and request to lower high voltage; if command not received within 5s, cut off the main circuit relay.
- Recovers when Temp_max < 55°C.
Source: fls-es232lc-g-2-fls-es232lc-s-user-guide-en.pdf