Filters and blockages
Rotate twist ring to the left to release
filter case.
Remove filter case from machine body.
1
2
1
2
3
4
3
4
Lift out pre-filter using handle
(replace at least every 12 months).
Remove wand from hose and look
down the wand to check for daylight.
Locate blockage removal cassette catch
at base of hose location.
2
Pull back catch, remove cassette and
check for blockage. To replace, position
at 45
0
and click catch back into place.
Remove Cyclone assembly to check
Cyclone entry and duct.
2
4
Using a coin, undo the yellow fastener
to remove the quick release window.
Check for blockage at the bottom of the
duct and underneath the soleplate.
1
Ensure the pre-filter is changed regularly. If filters block, the cleaner may overheat and cut out. The Dyson DC03 has a built in
motor protection thermostat to protect the appliance in the event of a restriction to airflow. Unplug cleaner. Leave for 30 minutes.
Fit a new pre-filter before use.
1
4
Pre-motor filter
Post-motor filter
3
Replace filter case and rotate twist ring
down and to the right to secure.
DYSON CUSTOMER HELPLINE: 0990 275104
8am to 8pm, 7 days a week
Cyclone entry
Blockage removal
cassette catch
duct
NB If the cleaner
is still blocked lift
out the post-filter
and check inside
for dust caking.
3
