Open the ZigBee network for joining. Switch the light off and on 6 times in a 1 second rythm. Once the light start flashing/dimming, the pairing process has been started successfully and the lamp will join the nymea ZigBee network.
https://zigbee.blakadder.com/Ikea_L1527.html
Factory reset the light bulb (Video). After resetting the bulb will automatically connect. While pairing, keep the bulb close the the CC2531 USB sniffer. What works is to use (very) short “on’s” and a little bit longer “off’s”. Start with bulb on, then off, and then 6 “on’s”, where you kill the light as soon as the bulb shows signs of turning on.Open the ZigBee network for joining. Click the connect button 4 times within 5 seconds.
https://zigbee.blakadder.com/Ikea_E1836.html
https://zigbee.blakadder.com/Ikea_E1603.html
To factory reset the TRADFRI control outlet, press and hold the reset button (pinhole underneath the light, located at the top (bottom if UK) of the outlet) with a paperclip until the white light starts fading. Hold onto the button for a few more seconds, then release. After this, the outlet will automatically connect.
https://zigbee.blakadder.com/Ikea_E1743.html
Pair the switch by pressing the pair button (found under the back cover next to the battery) 4 times in a row. The red light on the front side should flash a few times and then turn off (it’s more visible to see the light from the back). After a few seconds it turns back on and pulsates. When connected, the light turns off.
https://zigbee.blakadder.com/Ikea_E1746.html
Push the reset button of the device with a paperclip for 5 seconds. While pairing the LED is flashing/dimming slowly. Once the pairing is finished, the LED stays on.
https://zigbee.blakadder.com/Ikea_E1525.html
Pair the sensor by pressing the pair button 4 times in a row. The red light on the front side should flash a few times and the turn off. After a few seconds it turns back on and pulsate. When connected, the light turns off.
In generel see https://zigbee.blakadder.com/