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Dyson CSYS 4K™ Desk light (Black/Silver)
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Troubleshooting
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Visible issue
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My light won't switch on
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Check electrics
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Issue resolved
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Check power cord
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Check dimmer switch
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Check carriage wheel plates
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Reassemble carriage plates
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Remove the power supply
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Issue not resolved, please speak to our Customer Support Team
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Replacement part required
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Check plates for tape
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Check the plates
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Check the electrics
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Issue not resolved, please speak to our Customer Support Team
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Power cord checks
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Check dimmer switch
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Heat sink arm is difficult to adjust
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Check carriage plates
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Issue not resolved
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Issue not resolved, please speak to our Customer Support Team
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Issue not resolved, please speak to our Customer Support Team
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Issue not resolved, please speak to our Customer Support Team
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Replacement part required
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User guide
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More help required
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How to assemble your Dyson light
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Issue resolved
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Using the dimmer
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How to reposition the Dyson light
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Popular queries
Please select the appropriate option
Please select the appropriate option
Please select the appropriate option
Please check the following:
Is the power cord or plug damaged?
Check other household appliances.
Check the light in another socket.
Has checking the electrics 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.
Carefully turn the light on its side.
Ensure the power cord is plugged into the centre of the base.
Carefully lay the cord through the indicated groove ensuring it does not become twisted.
Place the light upright ensuring cord remains in the slot.

Ensure the light is plugged into a wall socket and switched on.

Check the dimmer switch
Press the power button to switch on.
Hold the switch down to use the dimmer switch.

Check wheel carriage plates
Check that the wheel carriage plates are screwed together currently.
Follow the procedure image for correct assembly.
Disconnect the carriage plates
Ensure the following before starting the checks.
Ensure the light is at the top before carrying out the checks. Failure to do this will cause the weight to drop.

Use Hex key provided to remove the three screws.
Be careful to capture all screws when they are loosened.
Hold the heat sink at all times when removing from the upright.
Ensure the red tape on the plates covering the contacts has been removed.

Please follow the next step.
Align the square shapes and screw holes on the heat sink arm and the upright.

Press the two parts together with one hand.
Loosely screw in the three screws.

Recheck alignment.
Proceed to screw until securely clamped.
Unplug the light and leave for 5 minutes.

Plug the light in and switch on.

Please call us to resolve this problem.
It looks like the Power supply isn't working. We know how to fix it – we just can’t do it online.
One of our Dyson experts can help you get the parts or assistance you need.
Power supply
Part no. 967247-06
Replacement power supply for your Dyson light.
€60.27

Power supply
Part no. 967247-06
Replacement power supply for your Dyson light.
€60.27
We're glad the problem's been solved.
Please let us know if there's anything else we can help you with.
Check wheel carriage plates
Check that the wheel carriage plates are screwed together currently.

Disconnect the carriage plates
Follow the procedure image for correct assembly.
Ensure the following before starting the checks.

Ensure the light is at the top before carrying out the checks. Failure to do this will cause the weight to drop.
Use Hex key provided to remove the three screws.
Be careful to capture all screws when they are loosened.
Hold the heat sink at all times when removing from the upright.
Ensure the red tape on the plates covering the contacts has been removed.

Please follow the next step.
Reassemble the carriage plates
Align the square shapes and screw holes on the heat sink arm and the upright.

Loosely screw in the three screws.
Recheck alignment.
Proceed to screw until securely clamped.
Check electrical supply
Please check the following:
Is the power cord or plug damaged?
Check other household appliances.
Check the light in another socket.
Has checking the electrics resolved the problem?
We need a little more information to help us solve your issue.
But our Customer Support Team will be able to solve your problem.
Please contact our team via live chat.
Check power cord
Carefully turn the light on its side.
Ensure the power cord is plugged into the centre of the base.
Carefully lay the cord through the indicated groove ensuring it does not become twisted.
Place the light upright ensuring the cord remains in the slot.
Ensure the light is plugged into a wall socket and switched on.
Check the dimmer switch
Press the power button to switch on.
Hold the switch down to use the dimmer switch.

Check wheel carriage plates
Check that the wheel carriage plates are screwed together currently.
Follow the procedure image for correct assembly.
Disconnect the carriage plates
Ensure the following before starting the checks.
Ensure the light is at the top before carrying out the checks. Failure to do this will cause the weight to drop.
Use Hex key provided to remove the three screws.

Be careful to capture all screws when they are loosened.
Hold the heat sink at all times when removing from the upright.
Ensure the red tape on the plates covering the contacts has been removed.

Reassemble the carriage plates
Align the square shapes and screw holes on the heat sink arm and the upright.

Press the two parts together with one hand.
Loosely screw in the three screws.

Recheck alignment.
Proceed to screw until securely clamped.
Is the problem with the arm going backwards and forwards, up and down or both?
We need a little more information to help us solve your issue.
Please contact our customer service team via live chat.
We need a little more information to help us solve your issue.
Please contact our customer service team via live chat.
We need a little more information to help us solve your issue.
Please contact our customer service team via live chat.
We need a little more information to help us solve your issue.
But our Customer Support Team will be able to solve your problem.
Please contact our team via live chat.
Please select the appropriate option
How to assemble your Dyson light
Stand the light on a flat surface.
Place the light upright ensuring the cord remains in the slot.
Remove the red tape from the mounting plates to expose the electrical contacts.

Align the square shapes and screw holes on the heat sink arm and the upright.
Press the two parts together with one hand.
Loosely screw in the three screws.
Recheck alignment.
Proceed to screw until securely clamped.

Remove packaging and tape
Remove the packaging on the base.
Remove the red tape on detachable arm.
Remove transparent tape on upright.
Plug the power cord into the centre of the base.

Carefully lay the cord through the indicated groove ensuring it does not become twisted.
We're glad the problem's been solved.
Please let us know if there's anything else we can help you with.
Using the dimmer
Press the power button to switch on.
Hold the switch down to use the dimmer switch.

Further help
Dyson CSYS 4K™ Desk light (Black/Silver)