Click or press Enter to skip navigation.
Ce site est disponible en français.  Cliquez ici pour changer de langue.
Thanks. We've saved your preferences.
You can update your contact preferences at any time in the Keep in touch section of Your Dyson. If you have a Your Dyson account, you can log in below to manage your contact options.

Dyson Cu-Beam Down (Black)

Let's get your machine working.

See all steps

Please select the appropriate option

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?

Please select the appropriate option

Please ensure that the light switch is on

Image showing the machines switch 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.

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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.

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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?

Check voltage

Please check that the correct voltage is being supplied to the drive box 110 - 240V Max.

Please also check the voltage to the Luminaire (as shown) is 40V

Please only check the light if it is safe to do so, if there is any doubt we advise you to contact an electrician or member of maintenance personnel.

Image showing a warning signal around the bulb of the machine.

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.

Fuse type - 4 AMP 250v Fuse.

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?

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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.

Image showing how to disconnect the dali.

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

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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?

Please select the appropriate option

Please select the appropriate option

Cleaning instructions

As per the recommendations in the operations guide, use a microfibre cloth or solvent and moisture free compressed air canister to clean the appliance.

Please ensure the appliance is turned off before cleaning.

Image shows the machine off at the wall.

Is there anything else we can help with?

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?

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?

Please replace the fuse and retest the light.

Fuse type - 4 AMP 250v Fuse.

Has this resolved the performance issue?

Please select the appropriate option

Installation video

Is there anything else we can help you with?

Installation guide

The installation guide can be found on the above link.

Is there anything else we can help you with?

Included in the box with your Cu-Beam uplight:

Template.

Image shows the ceiling fixture with specified screw points.

Ceiling box.

Image shows the ceiling cables coiled on the ceiling box.

Spring Hangar x2.

Image shows the power cable hooks.

Ceiling box fascia.

Image shows the base plate.

Installation bracket x2.

Image shows the installations brackets.

Screw pozi drive x4.

Image shows a Philips head screw.

Adjustable Hangar x2.

Image shows the power cables fasteners.

Uplight Luminaire.

Image shows the top of the luminaire.

Is there anything else we can help you with?

Ensure the electricity is switched off before opening the driver box.

Serial number location

The serial numbers can be found in the following 3 locations:

On the box (packaging).

On the underside of the driver box.

Inside the driver box, as indicated in the attached video.

Is there anything else we can help you with?

The technical specification can be found on the above link.

Is there anything else we can help you with?

How to replace the luminaire

Is there anything else we can help you with?

Image showing the machines switch on.

Is the light switched on?

Please ensure that the light switch is on.

Has this resolved the problem?

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?

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?

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

Image showing the machines switch on.

Are other lights/appliances in the room working?

Is the light installed with a dimmer?

Projecting up

Light appears from the top of the product.

Image shows the light with the baffle highlighted.

Projecting down

Light appears from the base of the product.

Image showing downlight baffle location

Please note; If the product has been set-up correctly there should be no/little glare - however some customers may prefer to use a dimmer to reduce the output of the light.

Which direction is the light coming out of the product?

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

This means that the light has been installed in the wrong orientation and the issue can be resolved by reinstalling the light correctly.

All electrical installations and repair work should be carried out by qualified electrician in accordance with current local codes or regulations.

Is there anything else we can help with?

It is recommended that the lights are installed over 2.5m from the floor to prevent glare.

Image shows the minimum height for the light from the floor.

At what height is the product from the floor?

This issue could be resolved by installing a dimmer switch.

Below is information on the different dimmer types available on market.

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.

Alternatively the issue could be resolved by moving the light to a different location in the room.

Is there anything else we can help with?

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

It is recommended that the product is installed over 2.5m from the floor to prevent glare.

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

Please refer to the installation guide.

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?

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 to DALI converter being used?

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 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.

Image showing how to disconnect the dali.

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

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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?

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.

Image showing how to disconnect the dali.

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

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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?

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

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.

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?

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 note: Products are supplied and approved with 4m of cables.

Image shows the dimensions for the light from the ceiling.

Is the desired wire length over 4m?

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

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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

The Dyson Cu-Beam lights are only supplied and approved with/for 4m of cable.

Is there anything else we can help with?

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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

Image showing the machines switch 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.

Image showing how to disconnect the dali.

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

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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.

Image showing how to disconnect the dali.

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

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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.

Image shows the distance required between the 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 warranty. The wires used are to an exact Dyson specification.

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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

Image indicates that both long and short blades 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?

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

Please refit the Blades as per the installation guide.

Has this resolved the problem?

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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?

Please note: Products are supplied and approved with 4m of cables.

Image shows the dimensions for the light from the ceiling.

Is the desired wire length over 4m?

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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

The Dyson Cu-Beam lights are only supplied and approved with/for 4m of cable.

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?

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?

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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.

Image showing how to disconnect the dali.

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

Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 1-877-397-6622

Please get in touch.

Our experts are ready to help you.

Call us free on 1-877-397-6622

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

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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?

Please select the appropriate option

The technical specification can be found on the above link.

Is there anything else we can help you with?