The machine will not froth milk
No milk froth is nearly always a blocked air channel in the milk system, clogged by dried residue. Chemical cleaning costs PLN 150 and fixes it without replacing anything. Less often the thermoblock is at fault and no longer produces steam.
Most likely causes
Dried milk blocking the air intake channel
most commonWe fix this with: Descaling and chemical cleaning — 150 PLN
Worn or badly seated seal in the frothing nozzle
commonWe fix this with: Periodic service — 450 PLN
Thermoblock not reaching steam temperature — usually from scale
less commonWe fix this with: Thermoblock or boiler replacement — 330–350 PLN
Check this yourself first
Some faults you can clear yourself. If none of this helps, we know where to look.
- Take the nozzle or milk module apart and rinse every channel in warm water
- Check the small air intake hole is clear — it can be pinhole-sized
- Use milk straight from the fridge; warm milk froths far worse
- Run the milk system cleaning programme if your model has one

Where we see this most often
Philips
Philips coffee machines do not share one universal platform. In EP fully automatic machines we repair brew units, seals, grinders and LatteGo systems. Baristina automatically grinds and tamps coffee into a portafilter, while Barista Brew is a conventional semi-automatic machine with a 58 mm portafilter and steam wand. SENSEO®, L’OR and Cafissimo require pod or capsule-system diagnostics; in filter machines we check heaters, thermostats, valves and grinders. This lets us match every fault to the correct design.
Melitta
In Melitta machines the most common jobs involve the grinder and the milk system. The conical burrs in the Barista range are durable but sensitive to foreign objects in the beans — a small stone can jam the grinder completely. The milk system needs consistent cleaning or dried residue blocks the flow.