Smart bulbs & LED: diagnostics and error codes

Single entry for connected lighting faults: Hue Bridge, Zigbee/Wi-Fi bulbs, Shelly modules, Govee strips, Legrand/Schneider dimmers, flicker and ghosting.

The full interactive directory (filter by brand, symptom, difficulty) lives on the French site with 44 step-by-step sheets sourced from catalog-fr.json.

Priority sheets in English

WiZ bulb offline
Nanoleaf Wi-Fi (2.4 GHz)
Hue bulb blinking / reset
Hue Sync Box HDMI no signal
Schneider Wiser offline
Govee bulb bricked after OTA
Govee strip overheating

Related tools

GU10/E27 flicker diagnosis
Smart switch without neutral
Matter / Thread / Zigbee matrix
Choose a replacement bulb by room

Complete French repertoire: depannage hub.

Have a question about this lighting or your wiring? Ask it here

Tell us the room, the bulb base or your electrical setup: we reply by email within 1 to 2 working days.