DC40 Multi Floor vacuum (Iron/Bright Silver/Non-Metallic Yellow)

Let's get your machine working.

Clean the bin and cyclone

Press the button at the top of the cyclone handle and remove the bin from the machine.

Press the button again to open the bin base.

Press the button near the rectangular inlet to separate the clear bin from the cyclone.

The clear bin can be wiped with a damp cloth.

Do not use any detergent or polish on any part of the machine.

Check the bin and cyclone for blockages and remove as necessary.

Clear any hair or fibres from the cyclone shroud

Do not use any water on the cyclone.

Once the parts are completely dry, reassemble and test the machine.

Check the Brush bar

Plug in and switch on the machine.

Recline it into the vacuuming position.

Check the brushbar through the window at the front of the cleanerhead.

Check inlet suction

Turn off and unplug the machine.

Recline the machine into the vacuuming position.

Lay the machine on its front. Taking care, remove the red swivel C-clip connector and pull the Cleaner head away from the vacuum's Main body.

Turn the vacuum over so that the bin is facing upwards.

Place your hand over the opening then turn ON and test the suction.

Check the Cleaner head

Turn off and unplug the machine.

Lay the machine on its front. Taking care, remove the swivel C-clip connector and pull the Cleaner head away from the vacuum's Main body.

Undo the soleplate by turning both fasteners anti-clockwise.

Open the soleplate and carefully cut away any hair or fibres using some scissors.

Check the brushbar for signs of damage.

Check the opening on the cleanerhead for blockages and remove as necessary.

Reassemble the machine

Refit the soleplate by locating the 3 lugs on the soleplate into the receiving recesses on the cleanerhead.

Lock the soleplate by turning both fasteners outwards as far as they will go.

Place the C-clip onto the cleanerhead.

Push the cleanerhead onto the machine until it clicks.

Check the duct and internal hose

Turn off and unplug the machine.

Press the release catch on top of the cyclone and remove the bin.

Check the entry duct hatch for obstructions and that the seal is correctly seated.

Check where the hose connects for any blockages.

Pull the internal hose collar down, unclip it and then check for blockages.

Ensure there is no debris or blockages in the changeover valve.

Reassemble and test the machine.

Check the bin and cyclone

Press the button at the top of the cyclone handle and remove the bin from the machine.

Press the button again to open the bin base.

Press the button near the rectangular inlet to remove the clear bin from the cyclone.

Check the bin and cyclone for blockages and remove as necessary.

Clear any hair or fibres from the cyclone shroud.

Gently tap the side of the cyclone over a bin - this will remove any fine dust clogged up in the cyclone.

Washing the filters

Please follow the steps in the video.

Remove the pre-filter

Remove the bin and cyclone from the machine and unclip the cyclone top handle.

Pull the filter out from the cyclone.

Wash with cold water only.

WARNING: Do not use detergents.

Remove the post-filter

Turn the central locking dial on the outer cover of the ball counter-clockwise until the cover is released. Lift off the cover.

Turn the filter one-quarter counter-clockwise to release.

The filter should be rinsed and tapped out until the water runs clean, then tapped out again to ensure all excess water is removed.

Dry the filters

Leave to dry completely for 24 hours.

Test the machine

Reassemble and test the machine.

Reset the Brush bar

To reset the Brush bar press the Brush bar control button twice or switch the machine OFF and back ON.

Please note: In normal use, the Brush bar automatically turns OFF when the machine is upright and automatically turns ON when the machine is in the vacuuming position.

Bristles spinning

To reset the brush bar press the brush bar control button twice or switch the machine OFF and back ON.

Please note: In normal use, the brush bar automatically turns OFF when the machine is upright and automatically turns ON when the machine is in the vacuuming position.

Check the inlet suction

Turn off and unplug the machine.

Recline the machine into the vacuuming position.

Taking care, remove the swivel C-clip connector and pull the Cleaner head away from the vacuum's Main body.

Turn the vacuum over so that the bin is facing upwards. Place your hand over the opening then turn ON and test the suction.

Reset brush bar

To reset the brush bar press the brush bar control button twice or switch the machine OFF and back ON.

Please note: In normal use, the brush bar automatically turns OFF when the machine is upright and automatically turns ON when the machine is in the vacuuming position.

Clear the Cleaner head

Please follow the steps in the video.

Clear the Cleaner head

Turn off and unplug the machine.

Lay the machine on its front. Taking care, remove the swivel C-clip connector and pull the cleaner head away from the vacuum's main body.

Undo the soleplate by turning both fasteners anti-clockwise.

Open the soleplate and carefully cut away any hair or fibres using some scissors.

Check the brushbar for signs of damage.

Check the opening on the Cleaner head for blockages and remove as necessary.

Reassemble and reset the Brush bar again.

Clear the Cleanerhead

Turn off and unplug the machine.

Lay the machine on its front. Taking care, remove the swivel C-clip connector and pull the Cleaner head away from the vacuum's Main body.

Undo the soleplate by turning both fasteners anti-clockwise.

Open the soleplate and carefully cut away any hair or fibres using some scissors.

Check the brushbar for signs of damage.

Check the opening on the Cleaner head for blockages and remove as necessary.

Reassemble and reset the Brush bar again.

Test the hose suction

To release the Wand, open the Wand cap and pull the Wand up and away from the handle until it clicks into place.

Press the button on the hose collar to release the Wand from the hose.

Test the suction from the hose.

Check the hose

Please follow the steps in the video.

Check the hose

Press the button at the top of the cyclone handle and remove the bin.

To remove the hose press the release catch and firmly pull on the hose.

Check the hose for any holes or tears and remove any blockages.

Reassemble and test machine.

Check the duct and internal hose

Turn off and unplug the machine.

Press the release catch on top of the cyclone and remove the bin.

Check the entry duct hatch for obstructions and that the seal is correctly seated.

Pull the red internal hose collar down, unclip it and then check for blockages.

Reassemble and test the machine.

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.

Washing the filters

Please follow the steps in the video.

Remove the pre-filter

Remove the bin and cyclone from the machine and unclip the cyclone top handle.

Pull the filter out from the cyclone assembly.

Wash with cold water only. Do not use detergents.

Remove post-filter

Turn the central locking dial on the outer cover of the ball counter-clockwise until the cover is released. Lift off the cover.

Turn the filter one-quarter counter-clockwise to release.

The filter should be rinsed and tapped out until the water runs clean, then tapped out again to ensure all excess water is removed.

Dry filters

Leave to dry completely for 24 hours.

Test the machine

Reassemble and test the machine

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.

Reset brush bar

To reset the brush bar press the brush bar control button twice or switch the machine OFF and back ON.

Please note: In normal use, the brush bar automatically turns OFF when the machine is upright and automatically turns ON when the machine is in the vacuuming position.

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.

Check the bin and cyclone

Press the button at the top of the cyclone handle and remove the bin from the machine.

Press the button again to open the bin base.

Press the button near the rectangular inlet to separate the clear bin from the cyclone.

The clear bin can be wiped with a damp cloth.

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

Check the bin and cyclone for blockages and remove as necessary.

Clear any hair or fibres from the cyclone shroud

Do not use any water on the cyclone.

Once the parts are completely dry, reassemble and test the machine.

Reattach the Cleaner head

Remove the C-clip from the Cleaner head, and align the Cleaner head on the machine.

Slide the C-clip onto the machine, ensuring it clips into place on both sides.

The C-clip may initially only clip on one side. Some force may be needed to clip it in on both sides.

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.

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.

Check soleplate

Check the soleplate to ensure there is no debris caught in the wheels or any damage/wheels missing.

Reset brush bar

To reset the Brush bar press the Brush bar control button twice or switch the machine OFF and back ON.

Please note: In normal use, the Brush bar automatically turns OFF when the machine is upright and automatically turns ON when the machine is in the vacuuming position.

Blockage issue

This is likely caused by a blockage.

Clear the Cleaner head

Turn off and unplug the machine.

Lay the machine on its front. Taking care, remove the swivel C-clip connector and pull the Cleaner head away from the vacuum's Main body.

Undo the soleplate by turning the fasteners as far as they will go.

Remove the soleplate and carefully cut away any hair or fibres using scissors.

Check the Brush bar for signs of damage.

Check the opening on the Cleaner head for blockages and remove as necessary.

Check the duct and internal hose

Turn off and unplug the machine.

Press the release catch on top of the cyclone and remove the bin.

Check the entry duct hatch for obstructions and that the seal is correctly seated.

Pull the internal hose collar down, unclip it and then check for blockages.

Reassemble the machine

Locate the 3 lugs on the soleplate into the receiving recesses on the Cleaner head.

Lock the soleplate by turning both fasteners outwards as far as they will go.

Place the C-clip onto the cleanerhead.

Push the cleanerhead onto the machine until it clicks.

Check the duct and internal hose

Turn off and unplug the machine.

Press the release catch on top of the cyclone and remove the bin.

Check the entry duct hatch for obstructions and that the seal is correctly seated.

Replace the bin onto the machine.

Recline the machine into the vacuuming position. Lay the machine on its front.

Pull the internal hose collar down, unclip it and then check for blockages.

Retest the machine

Check the duct and internal hose

Turn off and unplug the machine.

Press the release catch on top of the cyclone and remove the bin.

Check the entry duct hatch for obstructions and that the seal is correctly seated.

Pull the internal hose collar down, unclip it and then check for blockages.

How to refit the ball shell

The ball shell can be screwed back onto the bolt on the main duct of the machine.

Remove the post-filter

Recline the machine and lay it on its back or side.

Turn the centre circle and remove the ball cover.

Twist the filter and remove from the ball.

Check the housing for any debris and remove as necessary.

Replace post-filter cover and move machine without post-filter in place.

Refit the filter

Place the filter back in the ball.

Ensure that the filter and ball cover are fitted securely.

Test the machine.

Turn off the Brush bar

Plug the machine in and recline into the vacuuming position.

Turn the machine on.

Turn the Brush bar off using the switch next to the power button.

Clear the Cleanerhead

Turn off and unplug the machine.

Lay the machine on its front. Taking care, remove the swivel C-clip connector and pull the cleaner head away from the vacuum's main body.

Undo the soleplate by turning both fasteners anti-clockwise.

Open the soleplate and carefully cut away any hair or fibres using some scissors.

Check the brushbar for signs of damage.

Check the opening on the cleanerhead for blockages and remove as necessary.

Reassemble the machine

Refit the soleplate by locate the 3 lugs on the soleplate into the receiving recesses on the Cleaner head.

Lock the soleplate by turning both fasteners outwards as far as they will go.

Place the C-clip onto the cleanerhead.

Push the cleanerhead onto the machine until it clicks.

Check for blockages

This would suggest there is a blockage somewhere in the machine.

Check inlet suction

Turn off and unplug the machine.

Recline the machine into the vacuuming position.

Lay the machine on its front. Taking care, remove the red swivel C-clip connector and pull the Cleaner head away from the vacuum's Main body.

Turn the vacuum over so that the bin is facing upwards. Place your hand over the opening then turn on and test the suction.

Clear the Cleaner head

Turn off and unplug the machine.

Lay the machine on its front. Taking care, remove the swivel C-clip connector and pull the Cleaner head away from the vacuum's Main body.

Undo the soleplate by turning both fasteners anti-clockwise.

Open the soleplate and carefully cut away any hair or fibres using scissors.

Check the Brush bar for signs of damage.

Check the opening on the Cleaner head for blockages and remove as necessary.

Reassemble the machine

Refit the soleplate by locate the 3 lugs on the soleplate into the receiving recesses on the Cleaner head.

Lock the soleplate by turning both fasteners outwards as far as they will go.

Place the C-clip onto the Cleaner head.

Push the Cleaner head onto the machine until it clicks.

Check the duct and internal hose

Turn off and unplug the machine.

Press the release catch on top of the cyclone and remove the bin.

Check the entry duct hatch for obstructions and that the seal is correctly seated.

First remove Phillips head screw (may not be present in all variants) and pull the internal hose collar down.

Unclip it and then check for blockages.

Reassemble and test machine.

Check the bin and cyclone

Press the button at the top of the cyclone handle and remove the bin from the machine.

Press the button again to open the bin base.

Press the button near the rectangular inlet to remove the clear bin from the cyclone.

Check the bin and cyclone for blockages and remove as necessary.

Clear any hair or fibres from the cyclone shroud.

Gently tap the side of the cyclone over a bin - this will remove any fine dust clogged up in the cyclone.

How to wash the filter

Please follow the steps in the video.

Remove the pre-filter

Remove the bin and cyclone from the machine and unclip the cyclone top handle.

Pull the filter out from the cyclone.

Wash with cold water only.

WARNING: Do not use detergents.

Remove the post-filter

Turn the central locking dial on the outer cover of the ball counter-clockwise until the cover is released. Lift off the cover.

Turn the filter one-quarter counter-clockwise to release.

The filter should be rinsed and tapped out until the water runs clean, then tapped out again to ensure all excess water is removed.

Dry the filters

Leave to dry completely for 24 hours.

Test the machine

Reassemble and test machine.

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.

Test the machine without the post-filter

Recline the machine and lay it on it's back or side.

Turn the centre circle and remove the ball cover.

Twist the filter and remove from the ball.

Turn the machine on.

Reassemble the machine

Refit the filter ensuring it sits flush against the inside of the ball.

Turn the machine on.

Check the seals

Check the seals for signs of wear or damage.

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

How to use the Brush bar

Note: The Brush bar will automatically switch on when the machine is reclined into the vacuuming position.

Press the brush control button next to the On/Off switch to stop the brushes for use on delicate rugs, loop pile carpets and hard floors.

Press the button again to restart the brushes for vacuuming carpets.

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.

How to start vacuuming

Plug the machine in.

Pull handle back and recline machine into vacuuming position ensuring the stabilising wheels are facing up towards the back of the machine.

Press the ON/OFF switch.

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

Extend the wand until it clicks.

Press the wand release button and lift the wand out of the hose.

Lift the wand handle cap and push on to the hose until it clicks into place.

Push the combination tool on to the end of the wand handle.

Alternatively, click the combination tool directly to the hose.

Assembly instructions

Attach the Cleaner head.

• Ensure that the connection pins underneath the Cleaner head are located correctly.
• Fit the Cleaner head to the inlet at the base of the machine.

How to attach the accessories

Lower the Wand handle onto the machine ensuring it clicks.

Slide the Wand into the hose and fit to the back of the machine until it 'clicks' into position.

Store the tools.

1. Remove the cyclone and bin.
2. Slide the tool holder onto the side of the duct as shown.
3. Attach the combination tool to the tool holder on the side of the machine.
4. Attach the stair tool to the tool holder on the side of the machine

User guide

Empty the bin

Press the button at the top of the handle and remove the bin from the machine.

Press the button again 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.