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Dyson DC04 Constant MAX vacuum

Let's get your machine working.

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Washing the filter

Please follow the steps in the video to wash the filter.

For a step by step guide, please select step by step.

Is there anything else we can help with?

Please select the appropriate option

Switch off and unplug the machine before proceeding.

Check the Brush bar

Tilt the machine into vacuuming position.

Recline the machine and turn over so that you can access the Brush bar.

Remove the soleplate by turning the 3 fasteners by a quarter. A coin is best used.

Remove blockages as necessary.

Spin the Brush bar and check for any damage.

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

Please call our customer service team on 0800-298-0298

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Air may be escaping because of a missing seal or blockage.

Test the suction

Make sure the machine is standing in the upright position.

Pull back the Wand cap.

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

Is the suction strong or weaker than usual?

Does the machine stand upright?

Keep your hands and clothing away from the Brush bar area at all times.

Check the Brush bar

Tilt the machine back into the vacuuming position.

Lay the machine on its side, keeping it in the vacuuming position.

If the machine has a Brush bar on/off control, check that the arrow on the clutch control dial moves forward to the carpeted floors position

Turn the machine on and check to see if the Brush bar is spinning.

Does the Brush bar turn with the power on?

Airway inspection checks

Remove the valve pipe, near to the base of the machine.

Check for blockages:

Check the valve pipe for blockages and remove if necessary.

Check the seal on the valve pipe for any damage.

Check the seal on the machine for any damage.

Plug the machine in and switch ON. Place your hand over the airway inspection and test the suction.

Is the suction strong or weaker than usual?

Switch off and unplug the machine before proceeding.

Check the Cleaner head

Turn off power, lay the machine flat on the floor and turn over so that the base can be viewed.

Using a coin turn each fastener a quarter of a turn to the left. Remove the soleplate.

Check for blockages

Carefully remove any blockages from the Brush bar using a pair of scissors to cut away any hair and fibres if necessary.

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.

Reassemble and test the machine.

Has checking the Cleaner head resolved the problem?

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

Please call our customer service team on 0800-298-0298

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Check duct, bin and cyclone

Turn the machine off and remove the cyclone and bin assembly.

Check duct inlets

Check the entry seal located on the left side of the duct is not missing or damaged.

Check the entry pipe and exhaust pipe on the main duct for any blockages and remove as necessary.

Check the bin and cyclone

Check the cyclone entry seal is not missing or damaged.

Check both entry inlets on the clear bin and cyclone for blockages and remove as necessary.

Release the clear bin by pressing the bin release catch on the front of the cyclone.

Open the bin lid being careful to ensure dust is captured.

Clean cyclone shroud as necessary and check the cyclone seal is not missing or damaged.

Reassemble and test the machine.

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

The post-motor filter located under the clear bin should last the lifetime of the machine and does not need to be washed.

Washing the filter

Please follow the steps in the video to wash the filter.

For a step by step guide, please select step by step.

Has washing the filter resolved the problem?

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

Please call our customer service team on 0800-298-0298

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Washing the filter

Remove the clear bin and cyclone top from your machine.

Press the filter release catch to remove the pre-motor filter and filter casing.

Wash the filter in cold water only.

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

Repeat the steps shown below until the water runs clear.

Continue to wash the filter.

Leave the filter to dry in a warm place for 12 hours, until completely dry.

Do not dry the filter in a tumble dryer, microwave, oven or near a naked flame.

Replace the filter into the filter casing and then replace into the cyclone top.

Has washing the filter resolved the problem?

Check duct, bin and cyclone

Turn the machine off and remove the cyclone and bin assembly.

Check duct inlets

Check the entry seal located on the left side of the duct is not missing or damaged.

Check the entry pipe and exhaust pipe on the main duct for any blockages and remove as necessary.

Check the bin and cyclone

Check the cyclone entry seal is not missing or damaged.

Check both entry inlets on the clear bin and cyclone for blockages and remove as necessary.

Release the clear bin by pressing the bin release catch on the front of the cyclone.

Open the bin lid being careful to ensure dust is captured.

Clean cyclone shroud as necessary and check the cyclone seal is not missing or damaged.

Reassemble and test the machine.

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

Switch off and unplug the machine before proceeding.

Check the belt

Recline the machine and turn over so that you can access the Brush bar.

Remove the soleplate by turning the fasteners by a quarter. A coin is best used.

Clear any blockages around the Brush bar and check if the belt has been damaged.

Spin the Brush bar. If the belt is slack or broken the issue could be resolved by ordering a replacement belt. If the Brush bar has snapped you will also need to place an order for this item.

If the Brush bar has not been damaged and you have a spare belt please choose the 'how to replace the belt' option.

Please select the appropriate option

Switch off and unplug the machine before proceeding.

Replacing the belt

Remove the soleplate by turning the fastener by a quarter. A coin is best used.

Pull out brush bar ensuring no damage and remove belt debris.

Attach the new belt to the Brush bar and feed through the Brush bar housing.

Refit the Brush bar and make sure the end caps are correctly in place.

Attaching the belt to the motor pin:

Loop the belt around your thumb

Using the back of the cleaner as a lever, stretch the belt over the motor spindle and release

Ensure that the belt is free of twists

Important: Rotate the Brush bar several times to centralise the belt onto the motor spindle.

Reassemble the soleplate:

The three soleplate tabs need to be located inside the bumper strip before the soleplate can be pivoted into position

Replace the soleplate and fasten the three soleplate fasteners with a coin

Make sure the soleplate is fitted flush against the brush housing

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.

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Switch off and unplug the machine before proceeding.

Checking the upright lock

The upright lock can become displaced and cause the machine to not stand correctly. This can be easily resolved by following the procedure shown on the video.

The video may show a different variant although the process remains the same.

Recline the machine and stand behind.

On the right side, by the back wheel you will find the valve pipe carriage.

Check the valve pipe is clear of blockages by pressing the push button to remove it from the valve carriage.

Lock the valve carriage into place by pressing the large push button in front (visible when reclined).

Retest the machine.

Has checking the upright lock resolved the problem?

Airway inspection checks

Remove the valve pipe, near to the base of the machine.

Check for blockages:

Check the valve pipe for blockages and remove if necessary.

Check the seal on the valve pipe for any damage.

Check the seal on the machine for any damage.

Plug the machine in and switch ON. Place your hand over the airway inspection and test the suction.

Is the suction strong or weaker than usual?

Checking the hose

Please refit the Valve pipe before continuing.

Disconnect the Wand from the hose. Stretch out the hose and check for any splits.

Plug the machine in and switch it ON. Place your hand over the end of the hose and test the suction.

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

Checking the Wand

Look through the Wand. You should see light shining through. If not, remove the blockage.

Connect the Wand to the hose and test the machine.

Has checking the Wand resolved the problem?

Check duct, bin and cyclone

Turn the machine off and remove the cyclone and bin assembly.

Check the duct

Check the entry seal located on the left side of the duct is not missing or damaged.

Check the entry pipe and exhaust pipe on the main duct for any blockages and remove as necessary.

Check the bin and cyclone

Check the cyclone entry seal is not missing or damaged.

Check both entry inlets on the clear bin and cyclone for blockages and remove as necessary.

Release the clear bin by pressing the bin release catch on the front of the cyclone.

Open the bin lid being careful to ensure dust is captured.

Clean cyclone shroud as necessary and check the cyclone seal is not missing or damaged.

Reassemble and test the machine.

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

Checking the U-bend and hose

Tilt the machine forward and unclip the U-bend airway inspection which is located at the base of the hose.

Check for blockages and remove as necessary.

Remove the hose

Pull the hose from the back of the duct.

Check the hose at both ends for blockages and remove as necessary.

Reassemble

Reconnect the hose, ensuring it clicks into place and is secure.

Reconnect the U-bend, ensuring it clicks into place.

Retest the machine.

Has checking the hose and U-bend resolved the problem?

Check duct, bin and cyclone

Turn the machine off and remove the cyclone and bin assembly.

Check the duct

Check the entry seal located on the left side of the duct is not missing or damaged.

Check the entry pipe and exhaust pipe on the main duct for any blockages and remove as necessary.

Check the bin and cyclone

Check the cyclone entry seal is not missing or damaged.

Check both entry inlets on the clear bin and cyclone for blockages and remove as necessary.

Release the clear bin by pressing the bin release catch on the front of the cyclone.

Open the bin lid being careful to ensure dust is captured.

Clean cyclone shroud as necessary and check the cyclone seal is not missing or damaged.

Reassemble and test the machine.

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

Make sure the machine is standing in the upright position.

Test the Wand

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?

Please select the appropriate option

When did the machine last have power?

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?

Change the (13 amp) fuse.

Has checking the electrics resolved the problem?

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.

If you wish to check the machine when the power has returned, wait for a minimum of 2 hours.

The post-motor filter located under the clear bin should last the lifetime of the machine and does not need to be washed.

Washing the filter

Please follow the steps in the video to wash the filter.

For a step by step guide, please select step by step.

Is there anything else we can help with?

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

Please call our customer service team on 0800-298-0298

How would you rate our online support?

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2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

The switch does not light up.

Test the switch

Press the rear of the switch to make sure it stays in the on position.

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

Please call our customer service team on 0800-298-0298

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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

Please call our customer service team on 0800-298-0298

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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

Please call our customer service team on 0800-298-0298

How would you rate our online support?

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2/5 Average

3/5 Good

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5/5 Excellent

Clean the bin and cyclone

Remove the bin.

Take off the bin by pressing the release catch on top of the handle.

Check the openings on the duct and cyclone top for blockages and remove as necessary.

Disconnect the bin by pressing the release catch at the front of the bin.

Clean the bin

Remove dust from the bin securely.

WARNING: Clean the bin with cold water only, do not use any detergents or polishes on the bin.

Clean the cyclone

Clean the shroud with a dry cloth or by using the combination tool.

Tap gently to remove dust from within the cyclone.

WARNING: Do not use any liquids to clean the cyclone.

Reconnect the bin and cyclone ensuring no gaps along the join.

Has cleaning the bin and cyclone resolved the problem?

Washing the filter

Please follow the steps in the video to wash the filter.

Has washing the filters resolved the problem?

Remove the filters

Your machine has two washable filters which require washing at least once every 3 months.

Remove the bin from your machine by pressing the cyclone release catch as shown.

To remove filter A, lift the filter release catch on top of the bin to remove the filter from the machine.

To remove filter B firstly recline the machine. Press the release catch located on the ball to release the filter cover. Press the red catch on the filter and pull out.

Wash both filters in cold water only.

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

Repeat the steps until the water runs clear.

Filter B should be rinsed and tapped out until the water runs clear, then tapped out again to ensure all excess water is removed. This will normally require up to 10 rinses.

Dry filters

Leave the filters to dry in a warm place for 24 hours, until completely dry.

Replace filters and test machine.

Has washing the filters resolved the problem?

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

Please call our customer service team on 0800-298-0298

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Switch off and unplug the machine before proceeding.

Check the Brush bar

Tilt the machine into vacuuming position.

Recline the machine and turn over so that you can access the Brush bar.

Remove the soleplate by turning the 3 fasteners by a quarter. A coin is best used.

Remove blockages as necessary.

Spin the Brush bar and check for any damage.

If there is any damage to the Brush bar or belt choose the relevant option.

If your belt has snapped and you have a spare belt choose 'How to replace the belt'.

Has checking the Brush bar resolved the problem?

Check the plunger

Place the machine into the upright position.

Attach the Mini turbine head to the hose or Wand.

Pull the plunger into the out position for vacuuming carpets.

Turn the machine on.

If the Mini turbine head is damaged, choose 'part broken'.

Has checking the plunger resolved the problem?

Switch off and unplug the machine before proceeding.

Check the Mini turbine head for blockages

Undo the two soleplate fasteners and remove the soleplate from the Mini turbine head.

Check for blockages

Remove each side of the Brush bar by sliding each half out from the sides of the Mini turbine head.

Clear any thread or debris.

Check both of the metal shafts for blockages and ensure that they rotate freely by hand.

Inspect the duct on the underside of the Turbine head for blockages and remove as necessary.

Check the outside surface of the plunger for fluff and debris and remove if necessary.

Reinsert both brush parts

When replacing the Brush bars please ensure that both of the arrows on the Brush bars are pointing in the same direction, towards the rear of the tool.

Replace soleplate and lock both fasteners:

Ensure a flush connection of the top of the soleplate before lowering downwards.

Reattach the turbine head and turn the machine on.

Has checking for blockages resolved the problem?

Performance checks required

The Mini turbine head will work if the suction is strong. This issue can be resolved by carrying out performance checks or washing the filter.

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

Please call our customer service team on 0800-298-0298

How would you rate our online support?

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2/5 Average

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If the machine is spitting out dust, there may be a blockage.

Test the suction

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?

Checking the upright lock

The upright lock can become displaced and cause the machine to not stand correctly. This can be easily resolved by following the procedure shown on the video.

The video may show a different variant although the process remains the same.

Recline the machine and stand behind.

On the right side, by the back wheel you will find the valve pipe carriage.

Check the valve pipe is clear of blockages by pressing the push button to remove it from the valve carriage.

Lock the valve carriage into place by pressing the large push button in front (visible when reclined).

Retest the machine.

Has checking the upright lock resolved the problem?

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

Please call our customer service team on 0800-298-0298

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

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

Please call our customer service team on 0800-298-0298

How would you rate our online support?

1/5 Poor

2/5 Average

3/5 Good

4/5 Very Good

5/5 Excellent

User guide

Please open the PDF for the user guide.

Is there anything else we can help 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.

The brush and stair tool attach to the top of the cyclone and the crevice tool attaches to the back of the duct.

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

Is there anything else we can help with?

Place the machine in an upright position before using tools.

How to attach the accessories

Press the release catch on the wand to release from the duct.

Attaching tools:

  • Open the Wand cap and attach the tools to the Wand.
  • Attach tools direct to the hose.

Is there anything else we can help with?

How to use the Mini turbine head

Place the machine into the upright position.

Attach the Mini turbine head to the hose or Wand.

Pull the plunger into the out position for vacuuming carpets.

For vacuuming hard floors push the plunger into the ''in'' position to stop the Brush bar spinning.

Is there anything else we can help with?

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

Carrying your Dyson machine

To lift the machine, use the carrying handle on the cyclone top only.

Is there anything else we can help with?

Serial number location

The serial number can be found underneath the machine between the wheels.

Is there anything else we can help with?

Emptying the bin

Turn the machine off and remove the cyclone and bin assembly.

Check the openings on the duct and cyclone top for blockages and remove as necessary.

Disconnect the bin by pressing the release catch at the front of the bin.

Clean the bin

Remove dust from the bin securely.

WARNING: Clean the bin with cold water only, do not use any detergents or polishes on the bin.

Clean the cyclone

Clean the shroud with a dry cloth or by using the combination tool.

Tap gently to remove dust from within the cyclone.

WARNING: Do not use any liquids to clean the cyclone.

Reconnect the bin and cyclone ensuring no gaps along the join.

Is there anything else we can help with?

Removing a blockage from the Mini turbo tool

If your Mini turbo tool is not working effectively, a blockage may be restricting the Brush bar from turning. A blockage can easily be removed using the procedure below.

Remove the tool from your machine.

Line up the arrow and the button on the collar of the Mini turbo tool, press the button and slide the collar in the direction of the arrow.

The tool will now open allowing you to check for debris wrapped around the Brush bar.

Remove any hair and debris if necessary.

Is there anything else we can help with?

Clean the bin and cyclone

Turn the machine off and remove the cyclone and bin assembly.

Check the openings on the duct and cyclone top for blockages and remove as necessary.

Disconnect the bin by pressing the release catch at the front of the bin.

Clean the bin

Remove dust from the bin securely.

WARNING: Clean the bin with cold water only, do not use any detergents or polishes on the bin.

Clean the cyclone

Clean the shroud with a dry cloth or by using the combination tool.

Tap gently to remove dust from within the cyclone.

WARNING: Do not use any liquids to clean the cyclone.

Reconnect the bin and cyclone ensuring no gaps along the join.

Is there anything else we can help with?

Replacing the belt

Ensure the machine is turned off and unplugged before proceeding.

Remove the soleplate by using a coin to turn the fastener by a quarter.

Pull out the Brush bar ensuring there is no damage and remove belt debris.

Attach the new belt.

Make sure the end caps are correctly in place.

Attaching the belt to the motor pin:

Loop the belt around your thumb

Using the back of the cleaner as a lever, stretch the belt over the motor spindle and release

Ensure that the belt is free of twists

Important: Rotate the Brush bar several times to centralise the belt onto the motor spindle.

Reassemble the soleplate:

The three soleplate tabs need to be located inside the bumper strip before the soleplate can be pivoted into position

Replace the soleplate and fasten the three soleplate fasteners with a coin

Make sure the soleplate is fitted flush against the brush housing

Is there anything else we can help with?