wasn't working
No pude llamarte; el teléfono no funcionaba.
I couldn't call you; the phone wasn't working.
El elevador no funcionaba hasta mayo más o menos.
The elevator didn't work until around May.
— El jardín de los pecadores: Paradigma paradoja (Paradoja espiral) (2008)
The radio wasn’t working.
The elevator was not working.
The hose wasn’t working.
¡Claro! Por eso no funcionaba, ya me di cuenta del error.
Of course! That's why it wasn't working, I've already realized the mistake.
Pensé que el teléfono no funcionaba.
I thought the phone wasn't working.