15
Acid (vinegar) taste in espresso coffee.
• Did not fully rinse the system after descaling.
See chapter 15 for detailed instructions on rinsing the system after descaling.
• The coffee is not fresh or of high quality.
Grind fresh whole bean coffee right before brewing. After opening, store
whole beans in a dark, air-tight container to maintain freshness. Use beans
within 1 week.
Espresso not hot enough.
• Prewarm cups and heating system.
Prewarm cups with hot water or on the cup warming tray. Purge brew head and
portafilter immediately before brewing. Dry portafilter and sieve before filling with
ground coffee. See chapter 7.
Uneven cup filling.
• Outlet in sieve or portafilter is blocked.
Remove sieve from portafilter. Clean with stiff brush. Clean portafilter.
• Uneven dosing of ground coffee into sieve.
Evenly distribute the finely ground coffee into the sieve.
Loud pump noise/no water from brew head.
• No water in water tank.
Fill water tank with fresh, cold water.
• Air blockage in pump.
Fill tank with fresh water, and run pump in intervals using the Hot Water function.
If no liquid pumps through the machine after numerous attempts, contact
Customer Service.
• Water tank is not in the correct position.
Push down firmly on water tank so it is fully engaged to the valve.
No steam produced from the frothing wand.
• The Steam indicator is not selected.
Ensure you push the Steam indicator prior to opening the steam control knob.
• Steam wand is blocked by milk or calcium deposits.
Turn machine OFF. Carefully use a needle to loosen the milk residue. See
chapter 14 for cleaning the steam wand.
Not enough froth when frothing milk.
• Milk not fresh.
Use the freshest milk possible. Do not use milk that has been opened for a
few days as this can affect the quality of froth.
• Milk not suitable.
Non-dairy, organic and ultra-pasteurized milks do not froth as well as fresh,
dairy milk.
• Milk was too warm before frothing began.
Use cold, refrigerated milk preferably at 34°F. Use a cold, stainless steel
frothing pitcher.
