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Home > Zooz Light Switches > ZEN77 700 Series S2 Dimmer > Lights Flicker with My ZEN77 Dimmer Switch
Lights Flicker with My ZEN77 Dimmer Switch
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Flickering lights? It could indicate a driver incompatibility between the bulb and dimmer. 

The executive element in the ZEN77 Dimmer switches is MOSFET, a trailing edge driver. If an LED bulb uses a leading edge driver, this could cause your lights to flicker when turning on/off or dimming.


There are a few ways to resolve the issue by either adding a bypass to the load or trying a ZEN22/ZEN72 dimmer since these models use TRIAC (leading edge).


You'll also want to confirm that your LED bulbs are labeled as dimmable. On/off LED bulbs are not compatible with dimmers and will not perform correctly. 


Never use a Z-Wave dimmer with smart bulbs unless you disable paddle control on them first. Dimming smart bulbs from a wall dimmer may damage your equipment.


Please reach out to us if you have any more questions about flickering or compatible bulbs!

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