Philips FC9219 - Manual (Page 18)

- Check if the blockage indicator has changed colour. If it has changed
colour, the nozzle, tube or hose may be blocked up.
To remove the obstruction, disconnect the blocked-up item and connect it
(as far as possible) the other way around. Switch on the vacuum cleaner to
force the air through the blocked-up item in opposite direction.
2 The appliance cannot be switched on.
- Check if the filter cylinder case with the filter cylinder in it has been
inserted into the dust bucket.
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