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Dyson Cu-Beam Down light 3K (Black) Let's get your machine working.

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Please note; All electrical installation and repair work should be carried out by a qualified electrician in accordance with current local codes or regulations.

Replacing the fuse

Is there anything else we can help with?

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Please ensure that the light switch is on

The Dyson Cu-Beam suspended light switched on.

Is the light switched on?

Please ensure that the light switch is on.

Has this resolved the problem?

We're glad the problem's been solved.

Please let us know if there's anything else we can help you with.

Check that other appliances in the room are working, such as other lights, air conditioning, fans/heaters etc.

Are other lights/appliances in the room working?

This is likely to be an issue with the electrical supply and will need to be resolved by an electrician.

Is there anything else we can help with?

We're glad the problem's been solved.

Please let us know if there's anything else we can help you with.

Only check the light if it is safe to do so. If there is any doubt please contact an electrician or maintenance personnel.

Is the light safely accessible?

This is likely to be an issue with the electrical supply and not related to machine itself.

This issue should be resolved by an electrician.

Is there anything else we can help with?

Is there power supplied to the Luminaire?

Test the fuse

Turn off the light and remove power supply. Ensure that there is no power to the light before removing the fuse.

Turn the meter on and set it to OHMS.

Put one lead on each end of the fuse and check the display on the meter.

Please note; All electrical installation and repair work should be carried out by a qualified electrician in accordance with current local codes or regulations.

Has the fuse blown?

The DALI (Digital Addressable Lighting Interface) is a data protocol and transport mechanism. The common platform of DALI enables equipment from different manufacturers to be connected.

In this instance, we use this as a lighting management control system.

Is a DALI system being used?

We need a little more information to help us solve your issue.

Please contact our customer service team on 0800 298 0298.

Please get in touch.

Our experts are ready to help you.

Call us free on 0800-298-0298

UK based helpline open
8:00am- 8:00pm Monday to Friday
8:00am- 6:00pm Saturday and Sunday

Please disconnect the DALI system. If the light is operational it should power on.

You may need to speak to your DALI engineer to resolve this issue.

How to disconnect the dali from the Dyson Cu-Beam suspended light.

Is the light working after you have disconnected the DALI converter?

We need a little more information to help us solve your issue.

Please contact our customer service team on 0800 298 0298.

Please get in touch.

Our experts are ready to help you.

Call us free on 0800-298-0298

UK based helpline open
8:00am- 8:00pm Monday to Friday
8:00am- 6:00pm Saturday and Sunday

As the light is working when the DALI is not connected it is likely to be an issue with the DALI system.

Please contact a DALI engineer to resolve this issue.

Is there anything else we can help with?

We need a little more information to help us solve your issue.

Please contact our customer service team on 0800 298 0298.

Check that other appliances in the room are working, such as other lights, air conditioning, fans/heaters etc.

The Dyson Cu-Beam suspended light switched on.

Are other lights/appliances in the room working?

Dimmer types

Analogue dimming - this is usually referred to as 1-10v dimming.

DALI - A lighting management control system.

AC mains/TRIAC - AC/TRIAC dimmers are designed for resistive loads such as incandescent or halogen lights. These phase controlled dimmers are not compatible with LEDs since LEDs do not appear as a resistive load.

Is the light installed with a dimmer?

Please consult an electrician as to whether the light has been installed with a compatible dimmer.

Is there anything else we can help with?

The product needs to be installed with a compatible dimmer in order to adjust the brightness.

Compatible dimmer - OSram DALI MCU

Is there anything else we can help with?

Dimmer types

Analogue dimming - this is usually referred to as 1-10v dimming.

DALI - A lighting management control system.

AC mains/TRIAC - AC/TRIAC dimmers are designed for resistive loads such as incandescent or halogen lights. These phase controlled dimmers are not compatible with LEDs since LEDs do not appear as a resistive load.

What kind of dimmer is the product installed with?

Please disconnect the DALI system. If the light is operational it should power on.

You may need to speak to your DALI engineer to resolve this issue.

How to disconnect the dali from the Dyson Cu-Beam suspended light.

Is the light working after you have disconnected the DALI converter?

We need a little more information to help us solve your issue.

Please contact our customer service team on 0800 298 0298.

Please get in touch.

Our experts are ready to help you.

Call us free on 0800-298-0298

UK based helpline open
8:00am- 8:00pm Monday to Friday
8:00am- 6:00pm Saturday and Sunday

As the light is working when the DALI is not connected it is likely to be an issue with the DALI system.

Please contact a DALI engineer to resolve this issue.

Is there anything else we can help with?

The light is not compatible with AC/Mains Triac, it will need to be installed with a compatible dimmer in order to dim.

Compatible dimmer - OSram DALI MCU

Is there anything else we can help with?

Please note, a converter is required if an analogue dimmer is being used.

Is an analogue-DALI converter installed?

Please disconnect the DALI system. If the light is operational it should power on.

You may need to speak to your DALI engineer to resolve this issue.

How to disconnect the dali from the Dyson Cu-Beam suspended light.

Is the light working after you have disconnected the DALI converter?

We need a little more information to help us solve your issue.

Please contact our customer service team on 0800 298 0298.

Please get in touch.

Our experts are ready to help you.

Call us free on 0800-298-0298

UK based helpline open
8:00am- 8:00pm Monday to Friday
8:00am- 6:00pm Saturday and Sunday

As the light is working when the DALI is not connected it is likely to be an issue with the DALI system.

Please contact a DALI engineer to resolve this issue.

Is there anything else we can help with?

The product is not compatible with analogue controls, it will need to be installed with a compatible dimmer, or an analogue to DALI converter, in order to properly function.

Compatible dimmer - OSram DALI MCU

Is there anything else we can help with?

Please consult an electrician as to whether the light has been installed with a compatible dimmer.

Is there anything else we can help with?

Is the light installed with a dimmer?

Is the light installed over a table?

This issue can be resolved by reinstalling the light. Cu-Beam Down light is designed to be hung over a table and not used as general lighting for a room.

Please refer to the installation guide.

Is there anything else we can help you with?

It is recommended that the lights are installed between 1 and 1.5m from the surface of a table.

The distance required between the Dyson Cu-Beam suspended light and a surface.

What height is the light installed over the table?

We do not advise customers to replace the wires as this will invalidate the guarantee. The wires used are to an exact Dyson specification.

We need a little more information to help us solve your issue.

Please contact our customer service team on 0800 298 0298.

Please get in touch.

Our experts are ready to help you.

Call us free on 0800-298-0298

UK based helpline open
8:00am- 8:00pm Monday to Friday
8:00am- 6:00pm Saturday and Sunday

The trim blades are the four plastic blades that connect to the rectangular baffle of the Down light.

That both long and short blades on the Dyson Cu-Beam suspended light can be adjusted.

To check the blades have been set up correctly, please view the installation guide.

Are the trim blades fitted correctly?

Do you still have the trim blades?

We need a little more information to help us solve your issue.

Please contact our customer service team on 0800 298 0298.

Please get in touch.

Our experts are ready to help you.

Call us free on 0800-298-0298

UK based helpline open
8:00am- 8:00pm Monday to Friday
8:00am- 6:00pm Saturday and Sunday

Please refit the Blades as per the installation guide.

Has this resolved the problem?

We need a little more information to help us solve your issue.

Please contact our customer service team on 0800 298 0298.

Please get in touch.

Our experts are ready to help you.

Call us free on 0800-298-0298

UK based helpline open
8:00am- 8:00pm Monday to Friday
8:00am- 6:00pm Saturday and Sunday

This issue could be caused by the table surface.

Please note, the Cu-Beam downlight is not suitable for use over glass or reflective surfaces.

Is there anything else we can help you with?

Dimmer types

Analogue dimming - this is usually referred to as 1-10v dimming.

DALI - A lighting management control system.

AC mains/TRIAC - AC/TRIAC dimmers are designed for resistive loads such as incandescent or halogen lights. These phase controlled dimmers are not compatible with LEDs since LEDs do not appear as a resistive load.

Is the light installed with a dimmer?

The product needs to be installed with a compatible dimmer in order to adjust the brightness.

Compatible dimmer - OSram DALI MCU

Is there anything else we can help with?

Please consult an electrician as to whether the light has been installed with a compatible dimmer.

Is there anything else we can help with?

Your Dyson Cu-Beam light will have been provided with 4m of cable.

Is the desired wire length over 4m?

We need a little more information to help us solve your issue.

Please contact our customer service team on 0800 298 0298.

Please get in touch.

Our experts are ready to help you.

Call us free on 0800-298-0298

UK based helpline open
8:00am- 8:00pm Monday to Friday
8:00am- 6:00pm Saturday and Sunday

We do not advise customers to replace the wires as this will invalidate the guarantee. The wires used are to an exact Dyson specification.

The Dyson Cu-Beam lights are only approved for use with the supplied cable. This cable is to an exact Dyson specification. Replacing the cables will invalidate the guarantee.

Is there anything else we can help with?

Test the fuse

How to test a fuse:

Turn off the light and remove power supply. Ensure that there is no power to the light before removing the fuse.

Turn the meter on and set it to OHMS.

Put one lead on each end of the fuse and check the display on the meter.

Please note; All electrical installation and repair work should be carried out by a qualified electrician in accordance with current local codes or regulations.

Fuse type - 4 AMP 250v Fuse.

Has the fuse blown?

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Installation video

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Installation guide

The installation guide can be found on the above link.

Is there anything else we can help you with?

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The technical specification can be found on the above link.

Is there anything else we can help you with?