EU32i
When the engine will not start:
Is the fuel in the fuel tank fresh?

Bad fuel; generator stored without treating or draining gasoline, or refueled with bad gasoline. Drain fuel tank. Refuel with fresh gasoline.
NO
Is the fuel in the fuel tank fresh?
Bad fuel; generator stored without treating or draining gasoline, or refueled with bad gasoline. Drain fuel tank. Refuel with fresh gasoline.