Event F931


Qualified person

Event message:

  • F931 Dynamic Cell Imbalance Fault

Explanation:

Dynamic cell imbalancing detected. This can indicate a defective battery cell. The current release in the charging direction is limited to 30 A.

Corrective measures:

  • Perform a restart.

  • If the error persists, disconnect the battery and inverter from voltage sources.

  • Contact Service.