If your libbi displays Code 170 / W19: BMS Volt Imbalance, this indicated that the Battery Management System (BMS) has detected a voltage imbalance between individual cells or modules within the battery pack.
What does this mean?
Batteries are made up of multiple cells connected in series and/or parallel. For safe and efficient operation, all cells should maintain similar voltage levels.
When the BMS detects that one or more cells are significantly higher or lower in voltage than the others, it triggers Code 170 / W19: BMS Volt Imbalance.
This is a protective measure to prevent:
- Reduced battery capacity or lifespan
- Overcharging or over discharging of individual cells
- Potential overheating or damage to the battery pack
Troubleshooting Steps
Unfortunately there are no set troubleshooting steps for this message. Please contact the myenergi Technical Support Team for further assistance.