Do Decora Smart Z-Wave Devices Automatically Exit Programming? February 07, 2019 16:55 Updated Follow Yes. Decora Smart Z-Wave devices are programmed to automatically time-out of any settings after 20 seconds. Related articles DZ6HD-1BZ 600W Decora Smart with Z-Wave Plus Technology Dimmer Can I Connect the Neutral Terminal (marked WH) to Ground? Configuring the Locator LED on a Decora Smart Z-Wave Dimmer or Switch How can I get assistance? I have two switches that control one light. Do I need to replace both switches?