power failure! power failure! power failure! Turn off the air switch of the corresponding circuit in the household distribution box and test with an electric pen to confirm that there is no power.

Dismantling the old switch: Use a screwdriver to remove the panel and fixing screws of the old switch, and pull it out of the cassette.

Identify the route:

Fire line (L): usually red or brown.

Zero line (N): usually blue or black (required for zero flame version).

Lamp control line (L1/L2/L3): The line leading to the lamp, usually in other colors (yellow, green, etc.).

Ground wire: yellow green dual color line.

Wiring:

Zero fire version: Connect the corresponding live wire, neutral wire, and light control wire to the L, N, and L1 terminals of the smart switch and tighten them.

Single fire version: There is no neutral wire, just connect the live wire and light control wire.

Installation reset: Carefully push the wired switch into the cassette, fix the screws, and cover the panel.

Power on configuration: Restore power supply, open the mobile app (such as Mi Home Aqara Home）， Follow the instructions to add devices (usually requiring resetting the switch to enter distribution network mode).