Troubleshooting: Light sources

How to sync on/off function

If your light source becomes unsynchronised, press and hold the ON/OFF button on your remote control for at least 3 seconds. This will return the light source to its default setting (100% brightness, 2700K), or you can dim up until all the light sources have reached 100% brightness.

How to sync brightness

If your light sources become unsynchronised and are set to different brightness levels, press and hold the dim up button on your Remote control or dim up with your Wireless dimmer until they reach the same level of brightness and are synchronised again.

How to sync colour temperature

If your light sources become unsynchronized and are set to different colour temperatures, press the ON/OFF button on your remote control for more than 3 seconds. They will sync up again.

Yes, you can choose from five different TRÅDFRI LED bulbs that are sold individually – warm white opal big socket size (E26, E27), white spectrum opal small socket size (E12, E14, E17), white spectrum opal big socket size (E26, E27), white spectrum clear big socket size (E26, E27), and white spectrum GU10. You can also choose from four different pre-packed kits that include the most frequently used bulbs. Visit ikea.com or the IKEA store to see the full offer.

Yes. The main power switch will work, but only for turning lights on and off, not for dimming or changing colour temperature.

Yes, you can either use the TRÅDFRI app or you need a remote control or a wireless dimmer for each light source.

To get your light bulbs back to sync you need to turn off all connected light sources and then turn them back on.

You can’t change colour with a wireless dimmer. To be able to change colour, you need to pair your light bulb with a remote control.

If you have a light source with more than one light bulb that sits close together, you need to pair them one by one. Install your first light bulb, pair it and then remove it. Then install the second light bulb, pair it and remove it, etc. Do this with all of the light bulbs, installing all when you’re ready.
You can also watch a film for instructions: 'Getting started: Add several bulbs'

You always need to have a steering device to be able to control your light bulb. If you purchased the light bulbs separately, you need to pair them to the steering device one-by-one. You can also watch a film for instructions: 'Getting started: Add bulbs, doors and panels'

Light sources can become out of sync when you interact the main power switches (wall or lamp switches) with just part of your connected light bulbs, e.g. when you turn one light bulb in a group OFF with the power main switch and change the rest of the light bulbs in the group to another state, the turned-off light bulb will be out of sync when turning it on again with the power main switch (see above).

Yes, you can use the main power switch, steering device or the TRÅDFRI App.

1. Secure that the lamp connected to the motion sensor main power is on.
2. Secure that the batteries are inserted in correct direction, with the IKEA logo (plus sign) facing upwards.
3. If you bought a kit it’s already paired. If you add additional lights you need to pair them with the motion sensor: Add a light bulb to the TRÅDFRI motion sensor
4. Is the dial on “Night” or “Day“? If the dial is on “Night” and it’s light outside, then nothing will happen.
5. Have you installed the motion sensor so that the sensor is directed where the motion will be, in the range of 120 degrees / 5m (16,5’)?
6. If you still have a problem, do a factory reset of your products and try again. 

You can do it in the TRÅDFRI App, meaning that you need to have a Gateway. You can control brightness and temperature in the TRÅDFRI App. Then, when the motion sensor is activated, the bulb will turn ON to whatever settings were created in the app.

The rest of your light bulbs will still work.