Battery at zero percent
The battery is at 0% state of charge and stops supporting the property.
Common causes
- Extended high consumption exhausting the reserve
- Grid outage longer than the stored energy
- Charging prevented by a mode or schedule
- Fault preventing charge
Safe checks
- 1Check the reserve and backup percentages in the app.
- 2Confirm whether charging is scheduled or blocked by mode.
- 3Check for any active fault code.
- 4Allow a full charge cycle before drawing conclusions about capacity.
When to call a technician
Call a qualified technician if the device repeats the fault after a manufacturer-approved restart, shows a burning smell, has damaged or discoloured wiring, or if the symptom involves the battery, inverter power stage or any sealed high-voltage component.