Applicable Systems
Powerpack 2
Symptoms
The battery system reports a grid frequency anomaly. The AC grid frequency is outside the normal range.
Possible Causes
- Grid frequency deviation from utility instability
- Generator supply frequency fluctuation
- Grid synchronizing relay fault
Troubleshooting Steps
- Step 1: Check the grid frequency with a meter
Frequency is within the normal range - Step 2: Verify the grid connection stability
Grid is stable and reliable - Step 3: Check the synchronizing relay operation
Relay operates correctly
How to Reset
To reset: Restore normal grid frequency, then clear the alarm.
Source: Tesla Powerwall Installation Manual, Tesla Inc.
Category: Battery