It depends on architecture.
Single-inverter systems: One failed inverter takes everything offline until repair. We don’t recommend that layout for permanent off-grid homes.
100UP redundant layouts: Parallel inverters (TwinGuard dual, TripleShield triple) isolate a fault — remaining units carry critical loads while you arrange service.
Modular batteries: Each module has its own BMS; one fault doesn’t collapse the whole bank.
Off-grid, total loss of power isn’t an inconvenience — it’s daily life interrupted. Redundancy means reduced capacity, not a black house.