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Why Does My Smart Light Switch Not Work After Installation?

Most smart switches fail after installation because of wiring, compatibility, or setup issues. Common causes include no neutral in the box, line and load reversed, using a 3‑way switch on a single‑pole (or vice versa), a tripped breaker, or bulbs that don’t match the switch (e.g., non‑dimmable LEDs on a dimmer). We install and service dimmers and smart switches, troubleshoot existing controls, and handle supporting electrical work across Fort Collins and Northern Colorado.

Quick checks:

  • Turn off power and verify line, load, neutral, and ground per the switch’s requirements.
  • Confirm bulb type compatibility.
  • Restore power, then complete app pairing/Wi‑Fi setup.
<br/> Updated: 2025-12-23 <br/>

Need help in Wellington, CO? Call (970) 444-5951 or book online.

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