Filters And Blockages - Dyson DC03 Operating Manual

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.
1 2
Pre-motor filter
Post-motor filter
Rotate twist ring to the left to release
1
filter case.
Remove filter case from machine body.
2
Using a coin, undo the yellow fastener
1
to remove the quick release window.
Check for blockage at the bottom of the
duct and underneath the soleplate.
DYSON CUSTOMER HELPLINE: 0990 275104

Filters and blockages

Fit a new pre-filter before use.
3
Lift out pre-filter using handle
3
(replace at least every 12 months).
2
1
Remove wand from hose and look
2
down the wand to check for daylight.
Locate blockage removal cassette catch
at base of hose location.
8am to 8pm, 7 days a week
4
4
Replace filter case and rotate twist ring
down and to the right to secure.
Blockage removal
cassette catch
3
Pull back catch, remove cassette and
3
check for blockage. To replace, position
at 45 0 and click catch back into place.
Remove Cyclone assembly to check
4
Cyclone entry and duct.
NB If the cleaner
is still blocked lift
out the post-filter
and check inside
for dust caking.
Cyclone entry
duct
4