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DC18 Allergy™

Let's get your machine working.

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Please select the appropriate option

Clean the bin and cyclone

Press the silver button on the main duct above the bin handle.

Press the red button on the back of the clear handle to open the bin base and release the dust.

This can be done directly into a Bin, or into a bag wrapped around the cyclone.

Check the openings on the cyclone and Bin for any blockages and remove as necessary.

Check the bin base seal is attached and not damaged.

To completely detach the bin from the cyclone - press the silver release catch at the top of the clear bin.

  • Clean the cyclone with a cloth.
  • Check through the middle of the cyclone for any blockages and remove as necessary.

The clear bin can be wiped with a damp cloth.

WARNING: Do not use any detergent or polish on any part of the machine. Do not use any water on the cyclone.

Is there anything else we can help with?

Please select the appropriate option

Turn off the Brush bar

Plug the machine in.

Recline it into the vacuuming position.

Turn it on and turn the Brush bar off using the grey switch next to the on button.

Has the noise stopped?

Clear the Cleaner head

Turn off and unplug the machine.

Remove the Cleaner head

Recline the machine using the pedal and lay on its back.

Remove the Cleaner head by pushing the two tabs on either side of the Cleaner head and pulling off.

Removing the end cap

Using a coin, undo the end cap fastener and remove the Brush bar.

Rotate the end caps and pull away from the Cleaner head.

Cleaning the Cleaner head

Carefully cut away any hair or fibres using scissors.

Check the Brush bar and end cap for signs of damage.

Check the openings of the Cleaner head for blockages and remove as necessary.

Remove the push fit internal hose. Check the hose is clear and fitted correctly.

Check the two metal connector pins are clean and undamaged.

Replace the end caps and Cleaner head to the machine ensuring the Cleaner head clicks into place.

Check the Cleaner head reset

Recline the machine back into the vacuuming position and turn the machine on.

Press the Brush bar reset button on the back of the Cleaner head.

Has clearing the Brush bar 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.

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Remove the bin and cyclone

Press the button at the top of the cyclone handle.

Remove the bin and cyclone from the machine.

Turn the machine on, keeping it in the upright position.

Is the whistle still present with the cyclone removed?

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Check the seals

Check the seals on the main duct for signs of wear or damage.

Flex out the seals' outer edges to make sure they sit flush against the corresponding openings.

Please follow the next step.

Check the bleed valve

The bleed valve can be found at the rear of the cyclone, towards the top.

Check that there is no debris clogging the valve and that is moves freely when pressed.

With the cyclone is fitted to the machine the bleed valve should not open while the machine is running. If it does, there may be a blockage.

Check cyclone

Check the openings for any blockages and remove as necessary.

Open the bin lid by pressing the red catch at the top of the cyclone and check the bin seal is attached and not damaged.

Clean the cyclone

Remove the bin by pressing the silver release catch (the bin lid must be open for this to work).

Clean the cyclone with a cloth or brush tool.

Check through the middle of the cyclone for fine dust.

Reassemble and test the machine.

Has checking the cyclone resolved the problem?

Check internal hose

Turn power off and unplug the machine.

Inspect the internal hose for blockages and damage and ensure that both ends of the hose are fitted securely.

If a blockage is present, remove any debris.

Has checking the internal hose resolved the problem?

Wash the filter

Please follow the steps in the video.

Has washing the filter resolved the problem?

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Wash the filter

To maintain your Dyson machine we recommend that you wash your filter(s) at least once every 3 months.

Remove the clear bin and cyclone top from your machine by pressing the cyclone release catch.

Lift the filter release catch to remove the filter from the machine.

The permanent filter located under the clear bin should last the lifetime of the machine and does not need to be washed. Please do not remove this filter.

Removing the filter

To remove the washable filter: Pull it out of the plastic case it is in.

Washing the filter

Soak the filter in cold water for at least 5 minutes.

WARNING: Please do not use detergent on the filter, or wash the filter in a dishwasher or in a washing machine.

After 5 minutes rinse the filter under cold running water and squeeze gently, repeating until the water runs clear.

Drying the filter

Leave the filter to dry in a warm place until completely dry.

Do not dry the filter inside a clothing dryer, hair dryer, microwave the filter, place the filter in an oven, or near an open flame.

Make sure the filter is completely dry before replacing in the machine.

Replacing the filter

Replace the filter into the filter casing and then put back into the cyclone top.

Reassemble and test the machine.

Has washing the filter resolved the problem?

Test the Wand

Make sure the machine is standing in the upright position.

Pull back the wand cap.

Turn the machine on and place your hand on the end of the wand.

Is the suction strong or weaker than usual?

The Brush bar will not rotate when the vacuum cleaner is in the upright position.

Check the Brush bar

Tilt the machine back into the vacuuming position.

Turn the machine on and look through the clear Brush bar housing to see if the Brush bar is spinning.

Does the Brush bar turn with the power on?

Check the Cleaner head

Separate the Cleaner head from the machine by pressing both of the release catches on the Cleaner head.

Plug the machine in and turn it ON.

Place your hand over the internal hose on the machine

Is the suction strong or weaker than usual?

Check internal hose

Turn off power and unplug the machine.

Inspect the internal hose for blockages and damage and ensure that both ends of the hose are fitted securely.

If a blockage is present, remove any debris.

Is the internal hose damaged?

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But our Customer Support Team will be able to solve your problem.

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Clear the Cleanerhead

Turn off and unplug the machine.

Remove the Cleaner head by pushing the two tabs on either side of the Cleaner head and pulling off.

Removing the end caps

Using a coin, undo the endcap fastener and remove the brushbar.

Rotate the end caps and pull away from the cleanerhead.

Cleaning the cleaner head

Carefully cut away any hair or fibres using some scissors.

Check the brushbar and endcap for signs of damage.

Check the openings of the cleanerhead for blockages and remove as necessary.

Replace the end caps and Cleaner head to the machine ensuring the Cleaner head clicks into place.

Retest the machine.

Has checking the Cleaner head resolved the problem?

Checking the duct, cyclone and bin

Remove the bin and cyclone.

Check the exhaust and entry seals to ensure they are fitted correctly.

Check the bin

Open the bin lid, ensuring you capture any dust held inside the bin.

Check the inlets for any blockages and remove as necessary.

Check the bin base seal for any damage.

Cleaning the cyclone

With the bin lid open, press the silver bin release and remove the clear bin.

Clean the cyclone with a cloth or brush tool to remove fine dust.

Check through the middle of the cyclone for blockages and remove as necessary.

Reassemble and test machine.

Has checking the duct, bin and cyclone resolved the problem?

Check internal hose

Turn off power and unplug the machine.

Inspect the internal hose for blockages and damage and ensure that both ends of the hose are fitted securely.

If a blockage is present, remove any debris.

Has checking the internal hose resolved the problem?

Clear the Cleanerhead

Turn off and unplug the machine.

Remove the cleanerhead

Recline the machine using the pedal and lay on its back.

Remove the cleaner head by pushing the two tabs either side of the cleanerhead and pulling off.

Removing the end cap

Using a coin, undo the endcap fastener and remove the brushbar.

Rotate the end caps and pull away from the cleanerhead.

Cleaning the cleaner head

Carefully cut away any hair or fibres using some scissors.

Check the brushbar and endcap for signs of damage.

Check the openings of the cleanerhead for blockages and remove as necessary.

Remove the push fit internal hose. Check the hose is clear and fitted correctly.

Check the two metal connector pins are clean/not damaged.

Replace the end caps and cleanerhead to the machine ensuring the cleanerhead clicks into place

Check the cleaner head reset

Recline the machine back into the vacuuming position and turn the machine on.

Press the brushbar reset button on the back of the cleanerhead.

Has the reset process resolved the problem?

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But our Customer Support Team will be able to solve your problem.

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Check the hose and valve assembly

Remove the Wand and hose.

Push back the Wand cap and carefully pull the metal tube from inside the Wand upwards until the Wand handle and hose come away from the machine.

To separate the Wand from the hose press the release button located on the Wand handle and pull the hose and Wand apart.

Remove the hose by pressing the hose release catch upwards and carefully pulling the hose away from the machine.

Check the valve assembly for blockages and remove as necessary.

Hose check

Check the hose for any damage.

Check the hose for blockages and remove if necessary.

Test the hose suction

Reconnect the hose to the duct ensuring it clicks into place.

Turn the machine on and test the suction from the hose.

Is the suction strong or weaker than usual?

Checking the Wand

Look into the wand and remove any debris if necessary. Ensure any tools are removed.

Retest the machine.

Has checking the Wand resolved the problem?

Checking the duct, bin and cyclone

Remove the bin and cyclone assembly.

Check the exhaust and entry seals to ensure they are fitted correctly.

Check the bin

Open the bin lid, ensuring you capture any dust held inside the bin.

Check the inlets for any blockages and remove as necessary.

Check the bin base seal for any damage.

Cleaning the cyclone

With the bin lid open, press the silver bin release and remove the clear bin.

Clean the cyclone with a cloth or brush tool to remove fine dust.

Check through the middle of the cyclone for blockages and remove as necessary.

Reassemble and test machine.

Has checking the duct, bin and cyclone 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 01-475-7109

How would you rate our online support?

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Clear the Cleanerhead

Turn off and unplug the machine.

Remove the Cleaner head

Recline the machine using the pedal and lay on its back.

Remove the Cleaner head by pushing the two tabs on either side of the Cleaner head and pulling off.

Removing the end caps

Using a coin, undo the endcap fastener and remove the brushbar.

Rotate the end caps and pull away from the cleanerhead.

Cleaning the cleaner head

Carefully cut away any hair or fibres using some scissors.

Check the brushbar and endcap for signs of damage.

Check the openings of the cleanerhead for blockages and remove as necessary.

Check hose

Remove the push fit internal hose. Check the hose is clear and fitted correctly.

Check pins

Check the two metal connector pins are clean/not damaged.

Replace the end caps and Cleaner head to the machine ensuring the Cleaner head clicks into place.

Please select the next step

Check the cleaner head reset

Recline the machine into vacuuming position and turn the machine on.

Press the Brush bar reset button on the back of the Cleaner head.

Has the reset button resolved the problem?

Check electrical supply

Is the power cord or plug damaged?

Are the other household appliances working?

Does the vacuum work when plugged into another socket?

Has checking the electrics resolved the problem?

When did the machine last have power?

Thermal cut out

Most Dyson vacuums have a built in safety system that stops the machine if it begins to overheat. This usually happens because the filters need washing or your machine is blocked.

Carry out the performance checks, and if your machine cuts out unplug and leave for at least 2 hours to cool down.

Please select the appropriate option

Test the wand

Make sure the machine is standing in the upright position.

Pull back the wand cap.

Turn the machine on and place your hand on the end of the wand.

Is the suction strong or weaker than normal?

Wash the filter

Is there anything else we can help you with?

Wash the filter

To maintain your Dyson machine we recommend that you wash your filter(s) at least once every 3 months.

Remove the clear bin and cyclone top from your machine by pressing the cyclone release catch.

Lift the filter release catch to remove the filter from the machine.

The permanent filter located under the clear bin should last the lifetime of the machine and does not need to be washed. Please do not remove this filter.

Removing the filter

To remove the washable filter: Pull it out of the plastic case it is in.

Washing the filter

Soak the filter in cold water for at least 5 minutes.

WARNING: Please do not use detergent on the filter, or wash the filter in a dishwasher or in a washing machine.

After 5 minutes rinse the filter under cold running water and squeeze gently, repeating until the water runs clear.

Drying the filter

Leave the filter to dry in a warm place until completely dry.

Do not dry the filter inside a clothing dryer, hair dryer, microwave the filter, place the filter in an oven, or near an open flame.

Make sure the filter is completely dry before replacing in the machine.

Replacing the filter

Replace the filter into the filter casing and then put back into the cyclone top.

Re-assemble and test the machine.

Is there anything else we can help you 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?

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5/5 Excellent

Apologies. We can’t help you online.

But our Customer Support Team will be able to solve your problem.

Call us on 01-475-7109

How would you rate our online support?

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2/5 Average

3/5 Good

4/5 Very Good

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Apologies. We can’t help you online.

But our Customer Support Team will be able to solve your problem.

Call us on 01-475-7109

How would you rate our online support?

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How to clean the bin and cyclone

Remove the bin by pressing the silver catch on the main duct.

Push the red button on the back of the clear bin handle to release dust directly into a dustbin or bag.

Cleaning the cyclone

Release the bin from the cyclone by pressing the silver release catch located on the clear bin.

Clean the cyclone with a dry cloth and shake or tap firmly to remove all dust from inside the fine dust collector. Do not get any part of the cyclone damp or wet.

Cleaning the bin

You can use cold water to clean the clear bin.

WARNING: Do not get any part of the cyclone assembly damp or wet. Do not use detergents or other chemicals.

Ensure the bin is completely dry before attaching back to the cyclone, and press firmly on the centre of the clear bin base to close before placing back on the machine.

Has cleaning the bin and cyclone resolved the problem?

Wash the filter

Has washing the filters 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 01-475-7109

How would you rate our online support?

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2/5 Average

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Wash the filter

To maintain your Dyson machine we recommend that you wash your filter(s) at least once every 3 months.

Remove the clear bin and cyclone top from your machine by pressing the cyclone release catch.

Lift the filter release catch to remove the filter from the machine.

The permanent filter located under the clear bin should last the lifetime of the machine and does not need to be washed. Please do not remove this filter.

Removing the filter

To remove the washable filter: Pull it out of the plastic case it is in.

Washing the filter

Soak the filter in cold water for at least 5 minutes. Please do not use detergent on the filter, or wash the filter in a dishwasher or in a washing machine.

After 5 minutes rinse the filter under cold running water and squeeze gently, repeating until the water runs clear.

Drying the filter

Leave the filter to dry in a warm place until completely dry.

Do not dry the filter inside a clothing dryer, hair dryer, microwave the filter, place the filter in an oven, or near an open flame.

Make sure the filter is completely dry before replacing in the machine.

Replacing the filter

Replace the filter into the filter casing and then put back into the cyclone top.

Re-assemble and test the machine.

Has washing the filters resolved the problem?

Release the catch by hand

Pull the clear plastic catch on the base away from the bin.

Open the bin base and tip away the contents.

Press the bin release button on the cyclone handle.

Does the red rod slide up and down freely?

Clean the bin seal

Clean any fine dust from the bin seal with a damp cloth and retest the bin release. Allow to fully dry before testing the bin release catch again.

Has cleaning the bin seal 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 01-475-7109

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Apologies. We can't help you online.

But our Customer Support Team will be able to solve your problem. Call us on 01-475-7109

How would you rate our online support?

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2/5 Average

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Apologies. We can’t help you online.

But our Customer Support Team will be able to solve your problem.

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Apologies. We can’t help you online.

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Call us on 01-475-7109

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Where were the sparks or smoke seen?

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But our Customer Support Team will be able to solve your problem.

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Apologies. We can’t help you online.

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Checking the hose

When standing the machine upright, push the wand handle quickly and firmly to ensure the stabiliser has engaged.

Remove the hose from the duct by pressing the release catch.

Check the hose for blockages and remove as necessary.

Retest the machine.

Has checking the hose resolved the problem?

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But our Customer Support Team will be able to solve your problem.

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Checking the hose

Remove the hose from the duct by pressing the release catch.

Check the hose for blockages and remove as necessary.

Retest the machine.

Has checking the hose resolved the problem?

Blockage issue

This is likely caused by a blockage.

Check the brushbar

Plug in and switch on the machine.

Recline it into the vacuuming position.

Check the Brush bar through the window at the front of the Cleaner head.

Does the Brush bar spin when the machine is reclined?

Test the hose

Make sure the machine is standing in the upright position.

Open the Wand cap and pull the Wand away from the main duct.

Disconnect the wand and hose by pressing the release catch on the wand.

Turn the machine on and test the suction from the hose.

Is the suction from the hose strong or weaker than usual?

Apologies. We can’t help you online.

But our Customer Support Team will be able to solve your problem.

Call us on 01-475-7109

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Check the hose and valve assembly

Remove the hose by pressing the hose release catch upwards and carefully pulling the hose away from the machine.

Check the valve assembly for blockages.

Hose check

Check the hose for any damage.

Check the hose for blockages and remove if necessary.

Has checking the hose and valve assembly resolved the problem?

Test the wand

Make sure the machine is standing in the upright position.

Pull back the Wand cap.

Turn the machine on and place your hand on the end of the Wand.

Is the suction strong or weaker than normal?

User guide

Is there anything else we can help you with?

Empty the bin

Press the silver button on the main duct above the bin handle.

Press the red button on the back of the clear handle to open the bin base and release the dust.

This can be done directly into a Bin, or into a bag wrapped around the cyclone.

To completely detach the bin from the cyclone - press the silver release catch at the top of the clear bin.

Use a cloth or brush tool to clean the cyclone if required.

Is there anything else we can help you with?

How to assemble your Dyson machine

Connect the hose to the bottom of the machine, ensuring the hose clicks into place.

Connect the wand to the hose and press the button on the hose cuff to slide through. Ensure the handle clicks into place at the top of the duct.

Wind the cable around the cable winders, in an anti-clockwise direction.

Attach tools to the top of the main duct.

The Cleaner head connects to the front of the main duct. Ensure it clicks into place.

Is there anything else we can help you with?

How to operate the brush control

The Brush bar will start automatically once the machine is switched on and lowered into the vacuuming position.

Press the brush control button located next to the ON/OFF switch to turn the Brush bar off for vacuuming delicate rugs, looped carpets and hard floors.

Press the button again to restart the Brush bar for vacuuming carpets.

Is there anything else we can help you with?

Attaching the accessories

Pull the Wand upwards and out of the machine.

Attach either the combination tool or the stair tool to the Wand or hose.

Is there anything else we can help you with?

Carrying your Dyson machine

Lift the machine only by the carry handle on the cyclone top.

For your safety, do not press the cyclone release when carrying your machine.

Is there anything else we can help you with?

Serial number location

Remove the bin from the machine.

The serial number can be found behind the bin on the Main duct.

Is there anything else we can help you with?

How to start vacuuming

Plug the machine in and press the ON/OFF switch.

Press the pedal at the back of the machine with your foot and lower the machine into the vacuuming position.

Ensure the stabilising wheels are fully retracted.

Small movements of the wrist will create a zigzag motion in the Cleaner head allowing easier cleaning around furniture.

When you have finished vacuuming push the machine into an upright position to drop the stabilising wheels.

Ensure the wheels are fully locked in place before letting go of the machine.

Is there anything else we can help you with?

Which area isn't providing the performance you'd expect?