Tesla
Black Start Failure

Failed to Black Start

System could not restart and form a grid from fully de-energised. Critical.

Depleted batteryExcess load on backup circuits
STEP 1
Check SOE, restore grid charging first if depleted.
STEP 2
Toggle the Powerwall side switch to retry manually.
Cannot black start with adequate SOE and minimal load
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ALT-01
Breaker Open
ALT-02
Device Offline / Gateway Offline
ALT-03
Backup Failed / No Power During Outage
ALT-04
Calibration Discharge to 0%
ALT-05
CT Reading Error — Negative Solar or Grid