French phrase
Le voyant clignote.
Meaning
The warning light is blinking.
When to use it
A warning light is blinking to signal a problem. It is common with machine faults or sensor alerts.
Example dialogue
Le voyant clignote.
The warning light is blinking.
C'est sûrement le témoin de surchauffe, coupe le moteur.
It's probably the overheating warning light. Turn off the engine.