Why Does My Smart Light Switch Not Work After Installation?
Most smart switches fail after installation due to wiring or compatibility. Common causes include reversed line/load, a missing neutral on models that require one, incorrect 3‑way wiring, incompatible bulbs on dimmers, a tripped breaker, or incomplete Wi‑Fi/app setup. We install and repair smart lighting across Bucks and Montgomery counties.
- Verify breaker is on and power is present.
- Match line, load, neutral, ground to the diagram.
- Check 3‑way travelers and use compatible LED bulbs.
- Finish app pairing and connect to the required Wi‑Fi.
Updated: 2026-01-08
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Sources
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