Applicable Systems
Powerpack 2
Symptoms
The battery system reports a firmware anomaly. The BMS firmware has detected an internal error.
Possible Causes
- Firmware corruption from power interruption during update
- Firmware version mismatch with hardware
- Memory or configuration data corruption
Troubleshooting Steps
- Step 1: Check the BMS firmware version and status
Version and status are correct - Step 2: Reflash the firmware if corruption is suspected
Firmware updates successfully - Step 3: Contact service if the fault persists
BMS is repaired or replaced
How to Reset
To reset: Resolve the firmware issue, then clear the alarm.
Source: Tesla Powerwall Installation Manual, Tesla Inc.
Category: Battery