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Blocked filters are one of the most common reasons a tumble dryer takes too long, leaves clothes damp or runs hot. This guide covers the lint filter on any dryer, plus the water container and heat exchanger on condenser and heat pump models.
Safety first
Turn the dryer off, unplug it and let it cool if it has just finished a cycle.
Open the door and pull out the lint (fluff) filter, usually in the door opening. Some are two-part filters that open out.
Remove the fluff by hand or with a cloth, rinse away what’s left under running water, and dry the filter thoroughly before refitting it.
Wipe around the opening the filter sits in, to remove loose fluff.
On condenser and heat pump dryers, slide the water container out slowly, keep it level and pour the water away. Do this after every cycle, unless your dryer drains straight into a waste pipe.
On heat pump dryers, open the lower cover, release the levers, remove the inner cover and brush the heat exchanger fins gently up and down. On condenser dryers with a removable condenser unit, slide it out and rinse it as your manual describes.
Make sure every cover is back and every lever is locked. Some dryers show an error code if a cover isn’t fitted properly.
If the filters are clean and the dryer still runs cold, takes far too long or overheats, the heater, thermostat, a sensor or, on heat pump models, the compressor may need testing.
If your appliance is showing one of these codes, this guide is the right place to start.
These steps follow the manufacturers’ own published guidance. Designs vary, so check your manual for your exact model. LDN Appliance Care is independent and not affiliated with any manufacturer.
Book a slot online or give us a call. £40 call-out including diagnosis, and a clear quote before any work starts.