Applicable Systems
Powerpack 2
Symptoms
The battery system reports an abnormal system restart. The system has restarted unexpectedly.
Possible Causes
- Power interruption or brownout to the BMS
- Watchdog timer reset from firmware hang
- Hardware reset from internal fault
Troubleshooting Steps
- Step 1: Check the system event log for the restart cause
Cause is identified - Step 2: Verify the BMS power supply stability
Power supply is stable and reliable - Step 3: Inspect for recurring restart conditions
No abnormal restart conditions found
How to Reset
To reset: Resolve the restart cause, then clear the alarm.
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Source: Tesla Powerwall Installation Manual, Tesla Inc.
Category: Battery
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