Frequently Asked Questions (FAQ) The Ethernet connection is not working, what should I check? A: Ensure the Ethernet module is fully seated in its connector. Verify the cable and router/switch port are working. Check that your router’s DHCP is enabled. Does the PoE module support passive PoE? A: No, only IEEE 802.3af active PoE is supported. How do I enable sound-reactive effects? A: Install the Microphone add-on , then enable “Sound Reactive” mode in WLED settings. Can I use SLWF-09 with ESPHome? A: Yes, you can flash ESPHome firmware using the web flasher or USB-C. Make sure to configure GPIO mapping according to the “GPIO Allocation” chapter. Can I run the SLWF-09 in both Wi-Fi and Ethernet modes at the same time? A: Yes, the ESP32 can maintain Wi-Fi and Ethernet simultaneously. However, WLED will usually prioritize Ethernet for control traffic. How do I reset the device to factory defaults? A: Reflash device using this tool https://smlight.tech/flasher/#SLWF-09 Can I power the controller by POE and use other power input for the LEDs? A: You can  only use one power source at a time: either PoE or external DC power. It is STRICTLY FORBIDDEN to power the device simultaneously from different power sources. Is it normal that powering the unit to I don't see any status led visible? A: Yes it is normal, by default the indicators are not on but you can press one of the buttons and you will see the LED indication.