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If your dishwasher leaves bits on the plates, starts to smell, or leaves water in the bottom, start with the filter. It takes about ten minutes and no tools.
Safety first
Turn the dishwasher off. If it has just finished a hot programme, give it a few minutes to cool.
Pull the lower basket out so you can reach the filter in the base of the tub.
Twist the filter cylinder anti-clockwise and lift the whole filter unit out.
Most filters come apart into a coarse cylinder and a fine mesh. Separate them carefully.
Rinse both parts under the tap and use the soft brush to shift smaller bits. Don’t use anything abrasive: it can damage the fine mesh.
Wipe out any debris left where the filter sits. If water is standing in the bottom, sponge it out.
Reassemble the filter, drop it back into place and twist it until it locks. On Bosch models the arrows line up when it’s secure.
If the filter is clean but the dishwasher still won’t drain, or shows a drain code such as Bosch E24 or AEG i20, the drain pump, non-return valve or hose may be blocked or faulty.
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.