Prevent milk system odours

Rinse the Milk System After Every Use
Fresh milk residue is much easier to remove than dried milk deposits.
Engineer's Tip: Always run the automatic milk rinse programme immediately after preparing milk drinks.
Deep Clean the Milk System Regularly
Automatic rinsing removes fresh milk but cannot always remove dried milk proteins and fats.
Engineer's Tip: Use a suitable milk system cleaner as part of your regular maintenance routine to keep the milk circuit hygienic.
Empty the Milk Container
Leaving milk sitting in the container encourages bacterial growth and unpleasant odours.
Engineer's Tip: Empty any unused milk after each use and store fresh milk in the refrigerator.
Clean Every Removable Component
Milk carafes, lids, tubes and frothing nozzles all collect milk residue over time.
Engineer's Tip: Dismantle removable parts regularly and clean every surface thoroughly, paying particular attention to small air holes and connectors.
Replace Worn Milk Tubes
Milk tubes can become stained and difficult to clean completely as they age.
Engineer's Tip: Replacing worn milk tubes periodically helps maintain hygiene and fresh-tasting milk drinks.
Don't Ignore Early Smells
A slight sour smell is often the first indication that milk residue is beginning to build up.
Engineer's Tip: Address unpleasant odours early with a thorough milk system clean before deposits become more difficult to remove.

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Why does my coffee machine's milk system smell?
Milk naturally contains proteins and fats that can dry inside the milk system. If they aren't cleaned away promptly, they can cause unpleasant odours and reduce milk system performance.
Is rinsing the milk system enough to prevent smells?
Automatic rinsing is an excellent daily habit, but it doesn't always remove dried milk deposits. Regular deep cleaning with a milk system cleaner helps keep the milk circuit fresh and hygienic.
How can I stop milk odours returning?
Run the milk rinse programme after every use, deep clean the milk system regularly, empty leftover milk, clean all removable parts and replace worn milk tubes when necessary. Consistent maintenance is the most effective way to prevent unpleasant milk odours.