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

Replacing the fuse

Please ensure that the light switch is on

Please ensure that the light switch is on.

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

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

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

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.

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.

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.

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.

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.

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

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.

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

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

Compatible dimmer - OSram DALI MCU

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.

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.

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.

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

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.

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.

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

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

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.

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

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

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

Please refit the Blades as per the installation guide.

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.

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.

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

Compatible dimmer - OSram DALI MCU

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

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

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.

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.

Installation video

Installation guide

The installation guide can be found on the above link.

The technical specification can be found on the above link.