The most reliable method for an electronic reset is power cycling the entire unit, which forces the internal processor to reboot. Locate the dedicated circuit breaker for the light fixture and switch it off completely. Common issues can arise due to environmental factors or malfunctions within the device itself. Recognizing this fact can help you. Whether your sensor light is stuck in the βonβ position, not turning on at all, or behaving erratically, resetting it can often resolve these issues. This guide on how to reset sensor lights will walk you through the steps to safely and effectively reset your sensor lights, restoring their optimal. Press and Release the Pre-Reset Switch: Start by pressing and then releasing the pre-reset switch.