Fronius · Perfect Charging
The essential battery master data stored in the TagID module is either invalid or not available. This data is fundamental for the charger to properly identify the battery, apply correct charging algorithms, and ensure safe operation.
Click steps to track your progress.
Attempt to reprogram the battery master data into the TagID module using appropriate service tools and software.
Verify that the TagID programming process was completed successfully and that the data is now readable.
If data cannot be restored or rewritten, the TagID module may be defective and require replacement.