Common issues with Lutron dimmers are similar to those of other high-quality dimmers and are usually related to compatibility, wiring, and LED bulb selection rather than defects, as Lutron is considered a premium brand. One frequent issue is LED flickering, buzzing, or poor dimming range, which occurs when the LED bulbs used are not on Lutron's compatible bulb list; Lutron dimmers work best with bulbs tested for compatibility, and using cheap non-dimmable or incompatible LEDs causes flicker. Another issue is the need for a neutral wire for some smart dimmer models like Caseta, which older homes may lack, causing installation challenges. Some users report ghosting where LEDs glow faintly when off due to small leakage current through the dimmer. Wireless interference or range issues can occur with Caseta and RadioRA systems if the hub is far from dimmers or if there are many Wi-Fi devices. Overloading a dimmer beyond its wattage rating can cause overheating and shutdown. Occasional firmware issues with smart dimmers may require updates via the Lutron app. Most issues are resolved by using Lutron's online compatibility tool to select approved LED bulbs, ensuring proper wiring by a qualified electrician, and keeping firmware updated, and Lutron has strong technical support to help troubleshoot.
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