Wemo Smart Dimmer SETUP GUIDE UX ONLY, NOT FINAL VISUAL DESIGN
! WARNING! Risk of electric shock Incorrect installation could be dangerous or illegal. Multiple breakers/fuses may need to be turned off for safe installation. Please call a professional electrician if you are unfamiliar or uncomfortable with electrical work. Wemo Smart Dimmer can only replace single-pole switches. If your light can be turned on from two different wall switches, that’s a 3-way switch and Wemo Smart Dimmer is not compatible.
Compatible light bulbs What’s included All incandescent light bulbs are dimmable, but not all LEDs and CFLs are. Go to wemo.com/bulbs for more information.
Installation video Scan this QR code to watch a video walking through Dimmer installation. ! WARNING! Risk of electric shock Incorrect installation could be dangerous or illegal. Multiple breakers/fuses may need to be turned off for safe installation. Please call a professional electrician if you are unfamiliar or uncomfortable with electrical work. Confirm that power is off 1 Turn power off Shut off power to the switch you’re replacing at your fuse panel or circuit breaker.
2 Identify the NEUTRAL wires Pull out existing switch Find the NEUTRAL wires Look for NEUTRAL wires (usually white) in the wall. You need these to set up the Dimmer. Unscrew the switch and gently pull it out of the wall. Do not remove any of the wires yet. NOTE: You may have a different number of neutral wires than shown. Test the NEUTRAL wires Use a voltage tester to check that there is no power in the NEUTRAL wires from neighboring circuits.
Detach the NEUTRAL wires Unscrew the wire nut connecting the NEUTRAL wires. 4 Identify and label LINE and LOAD wires Peel off and apply the LINE and LOAD wire labels below. If you’re unsure which wire is which, we’ll help you in the next step. NOTE: Your existing wires may be in different locations than shown. AD LO Identify the GROUND wires LIN 3 NOTE: You may have a different number of ground wires than shown.
Help with distinguishing LINE wire from LOAD wire Remove existing switch Detach the remaining wires and remove the existing switch. Test to identify the wires Now use a voltage tester to distinguish the wires: Line (typically black): This wire will be powered because it carries electricity to the switch. Load (also typically black): This wire will NOT be powered because it carries electricity from the switch to your lights.
5 ! Connect Wemo Dimmer wires Connect LINE and LOAD wires Use a wire nut to connect the red LOAD wire on the Dimmer to the LOAD wire in the wall. Make sure the power is OFF before proceeding. Use a wire nut to connect the black LINE wire on the Dimmer to the LINE wire in the wall. Remove cover plate After detaching and removing the existing switch, snap the cover plate off of your Wemo Dimmer, and remove the sticker securing the wires.
Connect NEUTRAL and GROUND wires Use a wire nut to connect the white NEUTRAL wire on the Dimmer to the NEUTRAL wires (usually white) in the wall. 6 Install Dimmer into the wall Almost done! Tug on each wire nut to make sure they are secure on the wires. Use a wire nut to connect the green GROUND wire on the Dimmer to the GROUND wires (usually green or bare copper) in the wall. Carefully tuck wires behind the Dimmer and insert the Dimmer into the box. It could get crowded in there.
Screw the Dimmer into the wall. Be careful not to overtighten the screws. NOTE: Before snapping on the cover plate, you’ll notice an 8-digit setup code on the dimmer. You may need this during app setup. 7 Turn on power Turn on power to your Dimmer at your fuse panel or circuit breaker panel. Physical installation is complete 1234 5678 HomeKit Code Finally, snap the face plate onto the Dimmer. The light ring on your Dimmer should blink WHITE while starting up and BLUE when ready for app setup.
Go to the app for next steps Download and launch the Wemo App Connecting to other services Control your Wemos with voice, create groups, and more. Connect to these services in the Wemo App. Create a Wemo account in the app, then add your Dimmer. Got questions? Use HomeKit Code if prompted If prompted, scan or type your Wemo’s code below. The 8-digit number should match the code on your Dimmer (behind the faceplate). 1234 5678 1234 5678 Hang on to this guide.
What does the light tell me? OFF Wemo is off. SOLID WHITE Wemo is on and working normally. BLINKING WHITE Wemo is starting up, updating firmware, or responding to your action. BLINKING BLUE Your Wemo is ready for setup. GREEN Wemo is running a rule or timer. RED Error or low Wi-Fi connection. WHITE/BLUE/RED: Reset your Dimmer Press and hold the bar below the power button for reset options. Release the button when the light is white to restart, blue to reset Wi-Fi, and red to restore to factory settings.